CVE-2026-118758

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-118758", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-28T19:20:05.016Z", "datePublished": "2026-10-29T16:12:42.138Z", "dateUpdated": "2026-10-29T20:18:30.607Z"}, "containers": {"cna": {"title": "Kubeflow: Unauthenticated path traversal to arbitrary file read on ml-pipeline-ui via the volume artifact source", "problemTypes": [{"descriptions": [{"cweId": "CWE-22", "lang": "en", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/kubeflow/pipelines/security/advisories/GHSA-2fg9-fx2f-439r", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/kubeflow/pipelines/security/advisories/GHSA-2fg9-fx2f-439r"}, {"name": "https://github.com/kubeflow/pipelines/pull/13677", "tags": ["x_refsource_MISC"], "url": "https://github.com/kubeflow/pipelines/pull/13677"}, {"name": "https://github.com/kubeflow/pipelines/commit/4d9bc5ab12b67efedb3923ef428a399cb445cf5f", "tags": ["x_refsource_MISC"], "url": "https://github.com/kubeflow/pipelines/commit/4d9bc5ab12b67efedb3923ef428a399cb445cf5f"}, {"name": "https://github.com/kubeflow/pipelines/blob/2.18.0/docs/operator-guides/upgrade-2.18.md#custom-storage-configuration-and-rollout", "tags": ["x_refsource_MISC"], "url": "https://github.com/kubeflow/pipelines/blob/2.18.0/docs/operator-guides/upgrade-2.18.md#custom-storage-configuration-and-rollout"}, {"name": "https://github.com/kubeflow/pipelines/releases/tag/2.18.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/kubeflow/pipelines/releases/tag/2.18.0"}], "affected": [{"vendor": "kubeflow", "product": "pipelines", "versions": [{"version": "< 2.18.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-29T16:12:42.138Z"}, "descriptions": [{"lang": "en", "value": "Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.18.0, the volume artifact handler for GET /artifacts/get?source=volume did not confine a caller-supplied file path to the selected volume. A caller who can reach the route and identify an existing mounted volume can use path traversal to read files outside that volume when the artifact-serving process can read them. The frontend pod serves the request when artifact proxying is disabled, while the selected namespace's artifact-service pod serves it when proxying is enabled. A deployment with authentication disabled requires no application credentials; in multi-user deployments, the caller ordinarily must be authorized for the supplied namespace. This issue is fixed in version 2.18.0."}], "source": {"advisory": "GHSA-2fg9-fx2f-439r", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-29T20:18:21.704175Z", "id": "CVE-2026-118758", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2026-10-29T20:18:30.607Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-118758", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-29T20:18:21.704175Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-29T20:18:26.675Z"}}], "cna": {"title": "Kubeflow: Unauthenticated path traversal to arbitrary file read on ml-pipeline-ui via the volume artifact source", "source": {"advisory": "GHSA-2fg9-fx2f-439r", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "kubeflow", "product": "pipelines", "versions": [{"status": "affected", "version": "< 2.18.0"}]}], "references": [{"url": "https://github.com/kubeflow/pipelines/security/advisories/GHSA-2fg9-fx2f-439r", "name": "https://github.com/kubeflow/pipelines/security/advisories/GHSA-2fg9-fx2f-439r", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/kubeflow/pipelines/pull/13677", "name": "https://github.com/kubeflow/pipelines/pull/13677", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/kubeflow/pipelines/commit/4d9bc5ab12b67efedb3923ef428a399cb445cf5f", "name": "https://github.com/kubeflow/pipelines/commit/4d9bc5ab12b67efedb3923ef428a399cb445cf5f", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/kubeflow/pipelines/blob/2.18.0/docs/operator-guides/upgrade-2.18.md#custom-storage-configuration-and-rollout", "name": "https://github.com/kubeflow/pipelines/blob/2.18.0/docs/operator-guides/upgrade-2.18.md#custom-storage-configuration-and-rollout", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/kubeflow/pipelines/releases/tag/2.18.0", "name": "https://github.com/kubeflow/pipelines/releases/tag/2.18.0", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.18.0, the volume artifact handler for GET /artifacts/get?source=volume did not confine a caller-supplied file path to the selected volume. A caller who can reach the route and identify an existing mounted volume can use path traversal to read files outside that volume when the artifact-serving process can read them. The frontend pod serves the request when artifact proxying is disabled, while the selected namespace's artifact-service pod serves it when proxying is enabled. A deployment with authentication disabled requires no application credentials; in multi-user deployments, the caller ordinarily must be authorized for the supplied namespace. This issue is fixed in version 2.18.0."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-22", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-29T16:12:42.138Z"}}}, "cveMetadata": {"cveId": "CVE-2026-118758", "state": "PUBLISHED", "dateUpdated": "2026-10-29T20:18:30.607Z", "dateReserved": "2026-10-28T19:20:05.016Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-10-29T16:12:42.138Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "pipelines", "vendor": "kubeflow", "versions": [{"status": "affected", "version": "< 2.18.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.18.0, the volume artifact handler for GET /artifacts/get?source=volume did not confine a caller-supplied file path to the selected volume. A caller who can reach the route and identify an existing mounted volume can use path traversal to read files outside that volume when the artifact-serving process can read them. The frontend pod serves the request when artifact proxying is disabled, while the selected namespace's artifact-service pod serves it when proxying is enabled. A deployment with authentication disabled requires no application credentials; in multi-user deployments, the caller ordinarily must be authorized for the supplied namespace. This issue is fixed in version 2.18.0."}], "id": "CVE-2026-118758", "lastModified": "2026-10-30T17:18:03.880", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-118758", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-29T20:18:21.704175Z", "version": "2.0.3"}}]}, "published": "2026-10-29T17:18:06.487", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/kubeflow/pipelines/blob/2.18.0/docs/operator-guides/upgrade-2.18.md#custom-storage-configuration-and-rollout"}, {"source": "security-advisories@github.com", "url": "https://github.com/kubeflow/pipelines/commit/4d9bc5ab12b67efedb3923ef428a399cb445cf5f"}, {"source": "security-advisories@github.com", "url": "https://github.com/kubeflow/pipelines/pull/13677"}, {"source": "security-advisories@github.com", "url": "https://github.com/kubeflow/pipelines/releases/tag/2.18.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/kubeflow/pipelines/security/advisories/GHSA-2fg9-fx2f-439r"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.18.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "pipelines", "source": "cna", "vendor": "kubeflow"}, "product": "pipelines", "vendor": "kubeflow"}], "created": "2026-10-29T17:30:14.525155+00:00", "updated": "2026-10-29T19:30:15.827262+00:00", "vendors": ["kubeflow", "kubeflow$PRODUCT$pipelines"]}