{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40161","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-04-09T19:31:56.014Z","datePublished":"2026-04-21T16:26:27.381Z","dateUpdated":"2026-04-21T17:41:38.895Z"},"containers":{"cna":{"title":"Tekton Pipelines: Git resolver API mode leaks system-configured API token to user-controlled serverURL","problemTypes":[{"descriptions":[{"cweId":"CWE-201","lang":"en","description":"CWE-201: Insertion of Sensitive Information Into Sent Data","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"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"}}],"references":[{"name":"https://github.com/tektoncd/pipeline/security/advisories/GHSA-wjxp-xrpv-xpff","tags":["x_refsource_CONFIRM"],"url":"https://github.com/tektoncd/pipeline/security/advisories/GHSA-wjxp-xrpv-xpff"},{"name":"https://github.com/tektoncd/pipeline/issues/9608","tags":["x_refsource_MISC"],"url":"https://github.com/tektoncd/pipeline/issues/9608"},{"name":"https://github.com/tektoncd/pipeline/issues/9609","tags":["x_refsource_MISC"],"url":"https://github.com/tektoncd/pipeline/issues/9609"}],"affected":[{"vendor":"tektoncd","product":"pipeline","versions":[{"version":">= 1.0.0, <= 1.10.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-04-21T16:26:27.381Z"},"descriptions":[{"lang":"en","value":"Tekton Pipelines project provides k8s-style resources for declaring CI/CD-style pipelines. From 1.0.0 to 1.10.0, 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."}],"source":{"advisory":"GHSA-wjxp-xrpv-xpff","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-21T17:41:32.164689Z","id":"CVE-2026-40161","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":"2026-04-21T17:41:38.895Z"}}]}}