CVE-2026-18621

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18621", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-08-03T08:02:21.941Z", "datePublished": "2026-08-10T20:44:37.373Z", "dateUpdated": "2026-10-19T11:10:02.378Z"}, "containers": {"cna": {"title": "Data-sciences-pipeline: dsp: v1 argo template path accepts arbitrary workflow spec, bypassing all v2 security hardening", "metrics": [{"other": {"content": {"value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in Data Science Pipelines (DSP). An attacker with namespace editor privileges can bypass security hardening by submitting a malicious Argo Workflow through the V1 API path. This allows the API server to create pods with elevated privileges, acting as a 'confused deputy' on behalf of the attacker. Successful exploitation grants the attacker node-root access, enabling arbitrary code execution and full control over the underlying node."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat OpenShift AI 2.25", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "defaultStatus": "affected", "versions": [{"version": "1785189934", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:openshift_ai:2.25::el9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift AI 2.25", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "defaultStatus": "affected", "versions": [{"version": "1788256711", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:openshift_ai:2.25::el9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift AI 3.3", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "defaultStatus": "affected", "versions": [{"version": "1785187920", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:openshift_ai:3.3::el9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift AI 3.4", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "defaultStatus": "affected", "versions": [{"version": "1784924951", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:openshift_ai:3.4::el9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift AI 3.4", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "defaultStatus": "affected", "versions": [{"version": "1787173417", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:openshift_ai:3.4::el9"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift AI 3.4", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "defaultStatus": "affected", "versions": [{"version": "1791866195", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:openshift_ai:3.4::el9"]}, {"vendor": "Red Hat", "product": "Red Hat AI Inference Server", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhaiis/vllm-cpu-rhel9", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:ai_inference_server:3"]}, {"vendor": "Red Hat", "product": "Red Hat AI Inference Server", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhaiis/vllm-cuda-rhel9", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:ai_inference_server:3"]}, {"vendor": "Red Hat", "product": "Red Hat AI Inference Server", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhaiis/vllm-neuron-rhel9", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:ai_inference_server:3"]}, {"vendor": "Red Hat", "product": "Red Hat AI Inference Server", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhaiis/vllm-rocm-rhel9", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:ai_inference_server:3"]}, {"vendor": "Red Hat", "product": "Red Hat AI Inference Server", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhaiis/vllm-spyre-rhel9", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:ai_inference_server:3"]}, {"vendor": "Red Hat", "product": "Red Hat AI Inference Server", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhaiis/vllm-tpu-rhel9", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:ai_inference_server:3"]}, {"vendor": "Red Hat", "product": "Red Hat AI Inference Server", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhaii/vllm-cpu-rhel9", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:ai_inference_server:3"]}, {"vendor": "Red Hat", "product": "Red Hat AI Inference Server", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhaii/vllm-cuda-rhel9", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:ai_inference_server:3"]}, {"vendor": "Red Hat", "product": "Red Hat AI Inference Server", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhaii/vllm-gaudi-rhel9", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:ai_inference_server:3"]}, {"vendor": "Red Hat", "product": "Red Hat AI Inference Server", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhaii/vllm-neuron-rhel9", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:ai_inference_server:3"]}, {"vendor": "Red Hat", "product": "Red Hat AI Inference Server", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhaii/vllm-rocm-rhel9", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:ai_inference_server:3"]}, {"vendor": "Red Hat", "product": "Red Hat AI Inference Server", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhaii/vllm-spyre-rhel9", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:ai_inference_server:3"]}, {"vendor": "Red Hat", "product": "Red Hat AI Inference Server", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhaii/vllm-tpu-rhel9", "defaultStatus": "unaffected", "cpes": ["cpe:/a:redhat:ai_inference_server:3"]}], "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:53261", "name": "RHSA-2026:53261", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:53262", "name": "RHSA-2026:53262", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:53263", "name": "RHSA-2026:53263", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:60520", "name": "RHSA-2026:60520", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:65126", "name": "RHSA-2026:65126", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:84734", "name": "RHSA-2026:84734", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/security/cve/CVE-2026-18621", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2510327", "name": "RHBZ#2510327", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-08-10T18:50:45.424Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-266", "description": "Incorrect Privilege Assignment", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-266: Incorrect Privilege Assignment", "workarounds": [{"lang": "en", "value": "To mitigate this issue, ensure that Data Science Project (DSP) namespaces enforce `pod-security.kubernetes.io/enforce: restricted`. Additionally, verify that the `pipeline-runner` ServiceAccount is not bound to `privileged` or `anyuid` Security Context Constraints (SCCs)."}], "timeline": [{"lang": "en", "time": "2026-08-03T07:59:56.820Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-08-10T18:50:45.424Z", "value": "Made public."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-10-19T11:10:02.378Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-11T17:14:23.314865Z", "id": "CVE-2026-18621", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-11T17:14:41.371Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-18621", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-11T17:14:23.314865Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-11T17:14:33.438Z"}}], "cna": {"title": "Data-sciences-pipeline: dsp: v1 argo template path accepts arbitrary workflow spec, bypassing all v2 security hardening", "metrics": [{"other": {"type": "Red Hat severity rating", "content": {"value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/"}}}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}], "affected": [{"cpes": ["cpe:/a:redhat:openshift_ai:2.25::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift AI 2.25", "versions": [{"status": "unaffected", "version": "1785189934", "lessThan": "*", "versionType": "rpm"}], "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift_ai:2.25::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift AI 2.25", "versions": [{"status": "unaffected", "version": "1788256711", "lessThan": "*", "versionType": "rpm"}], "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift_ai:3.3::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift AI 3.3", "versions": [{"status": "unaffected", "version": "1785187920", "lessThan": "*", "versionType": "rpm"}], "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift_ai:3.4::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift AI 3.4", "versions": [{"status": "unaffected", "version": "1784924951", "lessThan": "*", "versionType": "rpm"}], "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift_ai:3.4::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift AI 3.4", "versions": [{"status": "unaffected", "version": "1787173417", "lessThan": "*", "versionType": "rpm"}], "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift_ai:3.4::el9"], "vendor": "Red Hat", "product": "Red Hat OpenShift AI 3.4", "versions": [{"status": "unaffected", "version": "1791866195", "lessThan": "*", "versionType": "rpm"}], "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "collectionURL": "https://catalog.redhat.com/software/containers/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:ai_inference_server:3"], "vendor": "Red Hat", "product": "Red Hat AI Inference Server", "packageName": "rhaiis/vllm-cpu-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:ai_inference_server:3"], "vendor": "Red Hat", "product": "Red Hat AI Inference Server", "packageName": "rhaiis/vllm-cuda-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:ai_inference_server:3"], "vendor": "Red Hat", "product": "Red Hat AI Inference Server", "packageName": "rhaiis/vllm-neuron-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:ai_inference_server:3"], "vendor": "Red Hat", "product": "Red Hat AI Inference Server", "packageName": "rhaiis/vllm-rocm-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:ai_inference_server:3"], "vendor": "Red Hat", "product": "Red Hat AI Inference Server", "packageName": "rhaiis/vllm-spyre-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:ai_inference_server:3"], "vendor": "Red Hat", "product": "Red Hat AI Inference Server", "packageName": "rhaiis/vllm-tpu-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:ai_inference_server:3"], "vendor": "Red Hat", "product": "Red Hat AI Inference Server", "packageName": "rhaii/vllm-cpu-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:ai_inference_server:3"], "vendor": "Red Hat", "product": "Red Hat AI Inference Server", "packageName": "rhaii/vllm-cuda-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:ai_inference_server:3"], "vendor": "Red Hat", "product": "Red Hat AI Inference Server", "packageName": "rhaii/vllm-gaudi-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:ai_inference_server:3"], "vendor": "Red Hat", "product": "Red Hat AI Inference Server", "packageName": "rhaii/vllm-neuron-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:ai_inference_server:3"], "vendor": "Red Hat", "product": "Red Hat AI Inference Server", "packageName": "rhaii/vllm-rocm-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:ai_inference_server:3"], "vendor": "Red Hat", "product": "Red Hat AI Inference Server", "packageName": "rhaii/vllm-spyre-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:ai_inference_server:3"], "vendor": "Red Hat", "product": "Red Hat AI Inference Server", "packageName": "rhaii/vllm-tpu-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}], "timeline": [{"lang": "en", "time": "2026-08-03T07:59:56.820Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-08-10T18:50:45.424Z", "value": "Made public."}], "datePublic": "2026-08-10T18:50:45.424Z", "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:53261", "name": "RHSA-2026:53261", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:53262", "name": "RHSA-2026:53262", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:53263", "name": "RHSA-2026:53263", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:60520", "name": "RHSA-2026:60520", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:65126", "name": "RHSA-2026:65126", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:84734", "name": "RHSA-2026:84734", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/security/cve/CVE-2026-18621", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2510327", "name": "RHBZ#2510327", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "workarounds": [{"lang": "en", "value": "To mitigate this issue, ensure that Data Science Project (DSP) namespaces enforce `pod-security.kubernetes.io/enforce: restricted`. Additionally, verify that the `pipeline-runner` ServiceAccount is not bound to `privileged` or `anyuid` Security Context Constraints (SCCs)."}], "x_generator": {"engine": "cvelib 1.8.0"}, "descriptions": [{"lang": "en", "value": "A flaw was found in Data Science Pipelines (DSP). An attacker with namespace editor privileges can bypass security hardening by submitting a malicious Argo Workflow through the V1 API path. This allows the API server to create pods with elevated privileges, acting as a 'confused deputy' on behalf of the attacker. Successful exploitation grants the attacker node-root access, enabling arbitrary code execution and full control over the underlying node."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-266", "description": "Incorrect Privilege Assignment"}]}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-10-19T11:10:02.378Z"}, "x_redhatCweChain": "CWE-266: Incorrect Privilege Assignment"}}, "cveMetadata": {"cveId": "CVE-2026-18621", "state": "PUBLISHED", "dateUpdated": "2026-10-19T11:10:02.378Z", "dateReserved": "2026-08-03T08:02:21.941Z", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "datePublished": "2026-08-10T20:44:37.373Z", "assignerShortName": "redhat"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:openshift_ai:2.25::el9"], "defaultStatus": "affected", "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "product": "Red Hat OpenShift AI 2.25", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1785189934", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:openshift_ai:2.25::el9"], "defaultStatus": "affected", "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "product": "Red Hat OpenShift AI 2.25", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1788256711", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:openshift_ai:3.3::el9"], "defaultStatus": "affected", "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "product": "Red Hat OpenShift AI 3.3", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1785187920", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:openshift_ai:3.4::el9"], "defaultStatus": "affected", "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "product": "Red Hat OpenShift AI 3.4", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1784924951", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:openshift_ai:3.4::el9"], "defaultStatus": "affected", "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "product": "Red Hat OpenShift AI 3.4", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1787173417", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:openshift_ai:3.4::el9"], "defaultStatus": "affected", "packageName": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "product": "Red Hat OpenShift AI 3.4", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1791866195", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ai_inference_server:3"], "defaultStatus": "unaffected", "packageName": "rhaiis/vllm-cpu-rhel9", "product": "Red Hat AI Inference Server", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ai_inference_server:3"], "defaultStatus": "unaffected", "packageName": "rhaiis/vllm-cuda-rhel9", "product": "Red Hat AI Inference Server", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ai_inference_server:3"], "defaultStatus": "unaffected", "packageName": "rhaiis/vllm-neuron-rhel9", "product": "Red Hat AI Inference Server", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ai_inference_server:3"], "defaultStatus": "unaffected", "packageName": "rhaiis/vllm-rocm-rhel9", "product": "Red Hat AI Inference Server", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ai_inference_server:3"], "defaultStatus": "unaffected", "packageName": "rhaiis/vllm-spyre-rhel9", "product": "Red Hat AI Inference Server", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ai_inference_server:3"], "defaultStatus": "unaffected", "packageName": "rhaiis/vllm-tpu-rhel9", "product": "Red Hat AI Inference Server", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ai_inference_server:3"], "defaultStatus": "unaffected", "packageName": "rhaii/vllm-cpu-rhel9", "product": "Red Hat AI Inference Server", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ai_inference_server:3"], "defaultStatus": "unaffected", "packageName": "rhaii/vllm-cuda-rhel9", "product": "Red Hat AI Inference Server", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ai_inference_server:3"], "defaultStatus": "unaffected", "packageName": "rhaii/vllm-gaudi-rhel9", "product": "Red Hat AI Inference Server", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ai_inference_server:3"], "defaultStatus": "unaffected", "packageName": "rhaii/vllm-neuron-rhel9", "product": "Red Hat AI Inference Server", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ai_inference_server:3"], "defaultStatus": "unaffected", "packageName": "rhaii/vllm-rocm-rhel9", "product": "Red Hat AI Inference Server", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ai_inference_server:3"], "defaultStatus": "unaffected", "packageName": "rhaii/vllm-spyre-rhel9", "product": "Red Hat AI Inference Server", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ai_inference_server:3"], "defaultStatus": "unaffected", "packageName": "rhaii/vllm-tpu-rhel9", "product": "Red Hat AI Inference Server", "vendor": "Red Hat"}], "source": "secalert@redhat.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in Data Science Pipelines (DSP). An attacker with namespace editor privileges can bypass security hardening by submitting a malicious Argo Workflow through the V1 API path. This allows the API server to create pods with elevated privileges, acting as a 'confused deputy' on behalf of the attacker. Successful exploitation grants the attacker node-root access, enabling arbitrary code execution and full control over the underlying node."}], "id": "CVE-2026-18621", "lastModified": "2026-10-19T12:17:04.537", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.7, "source": "secalert@redhat.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18621", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-11T17:14:23.314865Z", "version": "2.0.3"}}]}, "published": "2026-08-10T21:17:20.617", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:53261"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:53262"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:53263"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:60520"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:65126"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:84734"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-18621"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2510327"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-266"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"bugzilla": {"description": "data-sciences-pipeline: DSP: V1 Argo template path accepts arbitrary Workflow spec, bypassing all v2 security hardening", "id": "2510327", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2510327"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.6", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L", "status": "draft"}, "cwe": "CWE-266", "details": ["A flaw was found in Data Science Pipelines (DSP). An attacker with namespace editor privileges can bypass security hardening by submitting a malicious Argo Workflow through the V1 API path. This allows the API server to create pods with elevated privileges, acting as a 'confused deputy' on behalf of the attacker. Successful exploitation grants the attacker node-root access, enabling arbitrary code execution and full control over the underlying node."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, ensure that Data Science Project (DSP) namespaces enforce `pod-security.kubernetes.io/enforce: restricted`. Additionally, verify that the `pipeline-runner` ServiceAccount is not bound to `privileged` or `anyuid` Security Context Constraints (SCCs)."}, "name": "CVE-2026-18621", "package_state": [{"cpe": "cpe:/a:redhat:ai_inference_server:3", "fix_state": "Under investigation", "package_name": "rhaiis/vllm-cpu-rhel9", "product_name": "Red Hat AI Inference Server"}, {"cpe": "cpe:/a:redhat:ai_inference_server:3", "fix_state": "Under investigation", "package_name": "rhaiis/vllm-cuda-rhel9", "product_name": "Red Hat AI Inference Server"}, {"cpe": "cpe:/a:redhat:ai_inference_server:3", "fix_state": "Under investigation", "package_name": "rhaiis/vllm-neuron-rhel9", "product_name": "Red Hat AI Inference Server"}, {"cpe": "cpe:/a:redhat:ai_inference_server:3", "fix_state": "Under investigation", "package_name": "rhaiis/vllm-rocm-rhel9", "product_name": "Red Hat AI Inference Server"}, {"cpe": "cpe:/a:redhat:ai_inference_server:3", "fix_state": "Under investigation", "package_name": "rhaiis/vllm-spyre-rhel9", "product_name": "Red Hat AI Inference Server"}, {"cpe": "cpe:/a:redhat:ai_inference_server:3", "fix_state": "Under investigation", "package_name": "rhaiis/vllm-tpu-rhel9", "product_name": "Red Hat AI Inference Server"}, {"cpe": "cpe:/a:redhat:ai_inference_server:3", "fix_state": "Under investigation", "package_name": "rhaii/vllm-cpu-rhel9", "product_name": "Red Hat AI Inference Server"}, {"cpe": "cpe:/a:redhat:ai_inference_server:3", "fix_state": "Under investigation", "package_name": "rhaii/vllm-cuda-rhel9", "product_name": "Red Hat AI Inference Server"}, {"cpe": "cpe:/a:redhat:ai_inference_server:3", "fix_state": "Under investigation", "package_name": "rhaii/vllm-gaudi-rhel9", "product_name": "Red Hat AI Inference Server"}, {"cpe": "cpe:/a:redhat:ai_inference_server:3", "fix_state": "Under investigation", "package_name": "rhaii/vllm-neuron-rhel9", "product_name": "Red Hat AI Inference Server"}, {"cpe": "cpe:/a:redhat:ai_inference_server:3", "fix_state": "Under investigation", "package_name": "rhaii/vllm-rocm-rhel9", "product_name": "Red Hat AI Inference Server"}, {"cpe": "cpe:/a:redhat:ai_inference_server:3", "fix_state": "Under investigation", "package_name": "rhaii/vllm-spyre-rhel9", "product_name": "Red Hat AI Inference Server"}, {"cpe": "cpe:/a:redhat:ai_inference_server:3", "fix_state": "Under investigation", "package_name": "rhaii/vllm-tpu-rhel9", "product_name": "Red Hat AI Inference Server"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Under investigation", "package_name": "rhoai/odh-ml-pipelines-api-server-v2-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}], "public_date": "2026-08-10T18:50:45Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-18621\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-18621"], "statement": "This is an Important vulnerability in Red Hat OpenShift AI (RHOAI) and Data Science Pipelines Operator (DSPO) that allows a namespace editor to achieve node-root privileges. This occurs because the V1 Argo template path, still active in RHOAI/DSPO deployments, bypasses security hardening applied by the v2 compiler. Exploitation leverages a confused deputy scenario where the API server creates a malicious Workflow CR on behalf of the submitter, enabling privileged pod creation in namespaces configured with GPU operators or `anyuid/privileged` SCCs.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Red Hat OpenShift AI (RHOAI)", "source": "cna", "vendor": "Red Hat"}, "product": "red_hat_openshift_ai_(rhoai)", "vendor": "red_hat"}, {"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 85.0, "confidence_source": "matching", "scores": [{"score": 85.0, "source": "matching"}]}, "original": {"product": "Red Hat AI Inference Server", "source": "cna", "vendor": "Red Hat"}, "product": "ai_inference_server", "vendor": "redhat"}], "created": "2026-08-10T22:45:05.170060+00:00", "updated": "2026-08-11T14:00:14.145594+00:00", "vendors": ["red_hat", "red_hat$PRODUCT$red_hat_openshift_ai_(rhoai)", "redhat", "redhat$PRODUCT$ai_inference_server"]}