{"id":"GO-2026-5992","revision":null,"records":[{"revision":"77fdd956748449a2afcb158f013d3e67","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-61549","aliases":[],"title":"Woodpecker: Privilege escalation via unrestricted serviceAccountName in the Kubernetes backend","description":"Woodpecker is a CI/CD engine. From 1.0.0 until 3.16.0, pipeline/backend/kubernetes/backend_options.go defines backend_options.kubernetes.serviceAccountName, and the Kubernetes backend in pipeline/backend/kubernetes/pod.go copies that pipeline-step value directly into the pod specification without administrator authorization. Any user with Push permission on a connected repository can therefore run pipeline pods under an arbitrary ServiceAccount in the pipeline namespace and inherit that account's RBAC permissions. When a privileged ServiceAccount is reachable, the attacker can exfiltrate secrets such as database credentials, API keys, and TLS certificates and may take over the cluster. This issue is fixed in version 3.16.0.","state":0,"publishedAt":"2026-09-15T14:53:57.382+00:00","modifiedAt":"2026-09-16T03:56:27.876+00:00","affected":[{"ecosystem":"Vendor product","name":"woodpecker","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"woodpecker-ci\",\n                    \"product\": \"woodpecker\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 1.0.0, < 3.16.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","score":9,"severity":"CRITICAL"}],"references":["https://github.com/woodpecker-ci/woodpecker/security/advisories/GHSA-qf34-295c-26v8","https://github.com/woodpecker-ci/woodpecker/pull/6792","https://github.com/woodpecker-ci/woodpecker/commit/5df9d52260626c074c6caafb2dc83d3bc6b53be1","https://github.com/woodpecker-ci/woodpecker/commit/609ba481b5e912f59aaae8ca7bc22b44523c5e37","https://github.com/woodpecker-ci/woodpecker/releases/tag/v3.16.0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-61549","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-61549","identifiers":["CVE-2026-61549"]},"retained":false,"historicalAffected":[]},{"revision":"fc9df98182b24bd3bdb6e34e76caccf3","observedAt":"2026-11-11T15:02:39.84+00:00","statement":{"source":"euvd","id":"EUVD-2026-78774","aliases":["CVE-2026-61549","GHSA-qf34-295c-26v8"],"title":"Woodpecker is a CI/CD engine. 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This issue is fixed in version 3.16.0.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","score":9,"severity":null}],"references":["https://github.com/woodpecker-ci/woodpecker/security/advisories/GHSA-qf34-295c-26v8","https://github.com/woodpecker-ci/woodpecker/pull/6792","https://github.com/woodpecker-ci/woodpecker/commit/5df9d52260626c074c6caafb2dc83d3bc6b53be1","https://github.com/woodpecker-ci/woodpecker/commit/609ba481b5e912f59aaae8ca7bc22b44523c5e37","https://github.com/woodpecker-ci/woodpecker/releases/tag/v3.16.0"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-78774","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Sep 15, 2026, 2:53:57 PM","dateUpdated":"Sep 16, 2026, 3:56:27 AM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. 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This issue is fixed in version 3.16.0.","state":0,"publishedAt":"2026-09-15T15:17:20.11+00:00","modifiedAt":"2026-09-30T17:51:36.337+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · security-advisories@github.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":9,"severity":"CRITICAL"}],"references":["https://github.com/woodpecker-ci/woodpecker/commit/5df9d52260626c074c6caafb2dc83d3bc6b53be1","https://github.com/woodpecker-ci/woodpecker/commit/609ba481b5e912f59aaae8ca7bc22b44523c5e37","https://github.com/woodpecker-ci/woodpecker/pull/6792","https://github.com/woodpecker-ci/woodpecker/releases/tag/v3.16.0","https://github.com/woodpecker-ci/woodpecker/security/advisories/GHSA-qf34-295c-26v8"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-61549","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Awaiting Analysis","weaknesses":["CWE-269","CWE-862"],"productCriteria":[],"sourceDates":{"published":"2026-09-15T15:17:20.110","lastModified":"2026-09-30T17:51:36.337"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-61549","identifiers":["CVE-2026-61549"]},"retained":false,"historicalAffected":[]},{"revision":"d5643bf9a4aa49f98c2c2a0cc84de742","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GHSA-qf34-295c-26v8","aliases":["CVE-2026-61549","GO-2026-5992"],"title":"Woodpecker: Privilege escalation via unrestricted serviceAccountName in the Kubernetes backend","description":"### Impact\n\nA privilege escalation vulnerability affects Woodpecker instances using the **Kubernetes backend**.\n\nThe pipeline option `backend_options.kubernetes.serviceAccountName` was passed directly to the pod spec without any admin gating.\n\n**Who is impacted:** any operator running the Kubernetes backend. Any user with **Push** permission on a connected repository can run pipeline pods under an arbitrary ServiceAccount in the pipeline namespace, gaining that account's RBAC permissions. If a privileged ServiceAccount is reachable in that namespace, this can lead to secret exfiltration (database credentials, API keys, TLS certs) and full cluster takeover.\n\n### Patches\n\nhttps://github.com/woodpecker-ci/woodpecker/pull/6792\n\n### Workarounds\n\nOperators who cannot upgrade immediately can mitigate by any of:\n\n- **Restrict Push access** on repositories connected to the Kubernetes-backed instance to\n  trusted users only.\n- **Harden the pipeline namespace**: ensure no privileged ServiceAccount exists or is bound in\n  the namespace where pipeline pods run; keep the `default` ServiceAccount minimally privileged.\n- **Disable ServiceAccount token automounting** for ServiceAccounts that should not be used by\n  pipelines.\n- **Enforce an admission policy** (e.g. OPA/Gatekeeper, Kyverno, or a ValidatingAdmissionPolicy)\n  that rejects pipeline pods setting an unexpected `serviceAccountName`.\n- **Use a dedicated, isolated namespace** per org/instance with no sensitive RBAC bindings.\n\n### Resources\n\n- Vulnerable option introduced in commit `609ba481b5e912f59aaae8ca7bc22b44523c5e37`\n- Affected versions: `v1.0.0` through `v3.15.0`\n- Source: `pipeline/backend/kubernetes/backend_options.go` (field `ServiceAccountName`),\n  `pipeline/backend/kubernetes/pod.go` (assigned to pod spec with no gating)","state":0,"publishedAt":"2026-07-14T20:29:32+00:00","modifiedAt":"2026-07-21T19:19:18.6019592+00:00","affected":[{"ecosystem":"Go","name":"go.woodpecker-ci.org/woodpecker/v3","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"3.16.0"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"github.com/woodpecker-ci/woodpecker","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"1.0.0"},{"kind":"last_affected","version":"1.0.4"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"go.woodpecker-ci.org/woodpecker/v2","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"last_affected","version":"2.8.3"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/woodpecker-ci/woodpecker/security/advisories/GHSA-qf34-295c-26v8","https://github.com/woodpecker-ci/woodpecker/pull/6792","https://github.com/woodpecker-ci/woodpecker"],"sourceUrl":"https://github.com/advisories/GHSA-qf34-295c-26v8","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-qf34-295c-26v8","identifiers":["GHSA-qf34-295c-26v8","CVE-2026-61549","GO-2026-5992"]},"retained":false,"historicalAffected":[]},{"revision":"da066db041d348038a77461a4e7681ee","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-5992","aliases":["CVE-2026-61549","GHSA-qf34-295c-26v8"],"title":"Woodpecker: Privilege escalation via unrestricted serviceAccountName in the Kubernetes backend in github.com/woodpecker-ci/woodpecker","description":"Woodpecker: Privilege escalation via unrestricted serviceAccountName in the Kubernetes backend in github.com/woodpecker-ci/woodpecker","state":0,"publishedAt":"2026-07-17T19:42:05+00:00","modifiedAt":"2026-07-21T19:15:35.944072+00:00","affected":[{"ecosystem":"Go","name":"github.com/woodpecker-ci/woodpecker","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"1.0.0"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"go.woodpecker-ci.org/woodpecker","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"go.woodpecker-ci.org/woodpecker/v2","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"go.woodpecker-ci.org/woodpecker/v3","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"3.16.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/woodpecker-ci/woodpecker/security/advisories/GHSA-qf34-295c-26v8","https://github.com/woodpecker-ci/woodpecker/pull/6792"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-5992","license":"OSV · upstream source license applies","key":"osv:GO-2026-5992","identifiers":["GO-2026-5992","CVE-2026-61549","GHSA-qf34-295c-26v8"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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