CVE-2026-40161

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{"affected": [{"affectedData": [{"product": "pipeline", "vendor": "tektoncd", "versions": [{"status": "affected", "version": ">= 1.0.0, < 1.0.2"}, {"status": "affected", "version": ">= 1.2.0, < 1.3.4"}, {"status": "affected", "version": ">= 1.4.0, < 1.6.2"}, {"status": "affected", "version": ">= 1.7.0, < 1.9.3"}, {"status": "affected", "version": ">= 1.10.0, < 1.11.1"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:linuxfoundation:tekton_pipelines:*:*:*:*:*:go:*:*", "matchCriteriaId": "4C365A15-24E6-468E-8A0F-27BA04AE4693", "versionEndIncluding": "1.10.0", "versionStartIncluding": "1.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Tekton Pipelines project provides k8s-style resources for declaring CI/CD-style pipelines. Starting in version 1.0.0 and prior to versions 1.0.2, 1.3.4, 1.6.2, 1.9.3, and 1.11.1, the Tekton Pipelines git resolver in API mode sends the system-configured Git API token to a user-controlled serverURL when the user omits the token parameter. A tenant with TaskRun or PipelineRun create permission can exfiltrate the shared API token (GitHub PAT, GitLab token, etc.) by pointing serverURL to an attacker-controlled endpoint. Versions 1.0.2, 1.3.4, 1.6.2, 1.9.3, and 1.11.1 fix the issue."}, {"lang": "es", "value": "El proyecto Tekton Pipelines proporciona recursos estilo k8s para declarar pipelines estilo CI/CD. Desde la versi\u00f3n 1.0.0 hasta la 1.10.0, el resolvedor git de Tekton Pipelines en modo API env\u00eda el token API de Git configurado por el sistema a una serverURL controlada por el usuario cuando el usuario omite el par\u00e1metro de token. Un inquilino con permiso de creaci\u00f3n de TaskRun o PipelineRun puede exfiltrar el token API compartido (PAT de GitHub, token de GitLab, etc.) al apuntar la serverURL a un endpoint controlado por un atacante."}], "id": "CVE-2026-40161", "lastModified": "2026-10-26T21:10:00.170", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 4.0, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-40161", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-04-21T17:41:32.164689Z", "version": "2.0.3"}}]}, "published": "2026-04-21T17:16:53.790", "references": [{"source": "security-advisories@github.com", "tags": ["Issue Tracking"], "url": "https://github.com/tektoncd/pipeline/issues/9608"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking"], "url": "https://github.com/tektoncd/pipeline/issues/9609"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/tektoncd/pipeline/security/advisories/GHSA-wjxp-xrpv-xpff"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-201"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "github.com/tektoncd/pipeline: Tekton Pipelines: Information disclosure of Git API token via user-controlled serverURL", "id": "2460173", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460173"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-918", "details": ["A flaw was found in Tekton Pipelines. A tenant with permissions to create TaskRun or PipelineRun resources can exploit this vulnerability. By omitting the Git API token parameter and pointing the serverURL to an attacker-controlled endpoint, the system-configured Git API token (such as a GitHub Personal Access Token or GitLab token) can be sent to the attacker. This information disclosure allows for the exfiltration of sensitive API tokens."], "name": "CVE-2026-40161", "package_state": [{"cpe": "cpe:/a:redhat:openshift_builds:1", "fix_state": "Affected", "package_name": "openshift-builds/openshift-builds-controller-rhel9", "product_name": "Builds for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:openshift_builds:1", "fix_state": "Affected", "package_name": "openshift-builds/openshift-builds-git-cloner-rhel9", "product_name": "Builds for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:openshift_builds:1", "fix_state": "Affected", "package_name": "openshift-builds/openshift-builds-image-bundler-rhel9", "product_name": "Builds for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:openshift_builds:1", "fix_state": "Affected", "package_name": "openshift-builds/openshift-builds-image-processing-rhel9", "product_name": "Builds for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:openshift_builds:1", "fix_state": "Affected", "package_name": "openshift-builds/openshift-builds-rhel9-operator", "product_name": "Builds for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:openshift_builds:1", "fix_state": "Affected", "package_name": "openshift-builds/openshift-builds-waiters-rhel9", "product_name": "Builds for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:openshift_builds:1", "fix_state": "Affected", "package_name": "openshift-builds/openshift-builds-webhook-rhel9", "product_name": "Builds for Red Hat OpenShift"}, {"cpe": "cpe:/a:redhat:openshift_lightspeed", "fix_state": "Not affected", "package_name": "openshift-lightspeed/openshift-mcp-server-rhel9", "product_name": "OpenShift Lightspeed"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-chains-controller-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-chains-controller-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-cli-tkn-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-cli-tkn-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-controller-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-controller-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-entrypoint-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-entrypoint-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-events-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-events-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-git-init-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-git-init-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-hub-api-rhel8", "product_name": 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{"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-nop-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-nop-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-opc-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-operator-proxy-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-operator-proxy-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-operator-webhook-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-operator-webhook-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-pipelines-as-code-cli-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-pipelines-as-code-cli-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-pipelines-as-code-controller-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-pipelines-as-code-controller-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-pruner-controller-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-resolvers-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-resolvers-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-results-api-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-results-api-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-results-watcher-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-results-watcher-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-rhel8-operator", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-rhel9-operator", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-sidecarlogresults-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-sidecarlogresults-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-triggers-controller-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-triggers-controller-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-triggers-core-interceptors-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-triggers-core-interceptors-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-triggers-eventlistenersink-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-triggers-eventlistenersink-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-triggers-webhook-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Affected", "package_name": "openshift-pipelines/pipelines-triggers-webhook-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-webhook-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-webhook-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-workingdirinit-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Not affected", "package_name": "openshift-pipelines/pipelines-workingdirinit-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Not affected", "package_name": "openshift-serverless-1/kn-client-kn-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Not affected", "package_name": "openshift-serverless-1/kn-plugin-func-func-util-rhel9", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Not affected", "package_name": "rhoai/odh-ml-pipelines-api-server-v2-rhel8", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Not affected", "package_name": "rhoai/odh-ml-pipelines-driver-rhel8", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Not affected", "package_name": "rhoai/odh-ml-pipelines-launcher-rhel8", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Not affected", "package_name": "rhoai/odh-ml-pipelines-persistenceagent-v2-rhel8", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Not affected", "package_name": "rhoai/odh-ml-pipelines-scheduledworkflow-v2-rhel8", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "container-native-virtualization/kubevirt-ssp-operator-rhel9", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Out of support scope", "package_name": "container-native-virtualization/kubevirt-tekton-tasks-create-datavolume-rhel9", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Out of support scope", "package_name": "container-native-virtualization/kubevirt-tekton-tasks-disk-virt-customize-rhel9", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Not affected", "package_name": "container-native-virtualization/kubevirt-template-validator-rhel9", "product_name": "Red Hat OpenShift Virtualization 4"}, {"cpe": "cpe:/a:redhat:trusted_artifact_signer:1", "fix_state": "Not affected", "package_name": "rhtas/ec-rhel9", "product_name": "Red Hat Trusted Artifact Signer"}], "public_date": "2026-04-21T16:26:27Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-40161\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-40161\nhttps://github.com/tektoncd/pipeline/issues/9608\nhttps://github.com/tektoncd/pipeline/issues/9609\nhttps://github.com/tektoncd/pipeline/security/advisories/GHSA-wjxp-xrpv-xpff"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.0.0,1.10.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "pipeline", "source": "cna", "vendor": "tektoncd"}, "product": "pipeline", "vendor": "tektoncd"}], "created": "2026-04-21T19:00:35.929728+00:00", "updated": "2026-05-21T23:00:14.162962+00:00", "vendors": ["tektoncd", "tektoncd$PRODUCT$pipeline"]}