{"id":"CVE-2026-54168","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-54168","generatedAt":"2026-10-28T02:24:45.567Z","title":"A user with push access to one repository can submit a PipelineRun containing a pipelinesascode.tekton.dev/task remote task annotation that targets a private repository in the same installation.","description":"Pipelines-as-Code is a CI/CD system that lets users define Tekton pipelines in source code repositories. Prior to 0.37.8, 0.39.6, 0.42.1, and 0.48.0, a GitHub App installation token created during webhook processing is not scoped to the repository that triggered the event when the App is installed across multiple repositories. A user with push access to one repository can submit a PipelineRun containing a pipelinesascode.tekton.dev/task remote task annotation that targets a private repository in the same installation. When ScopeTokenToListOfRepos returns no explicit scope, the missing triggering repository ID leaves the token able to access the entire installation. Pipelines-as-Code resolves and inlines the remote private task with that token, disclosing the repository's Tekton definitions. The demonstrated impact is read-only and does not provide write access. This issue is fixed in versions 0.37.8, 0.39.6, 0.42.1, and 0.48.0.","published":"2026-09-15T15:17:18.000Z","lastModified":"2026-09-30T17:43:24.000Z","status":"Awaiting Analysis","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-269","CWE-862"],"affected":[],"epss":{"score":0.00587,"percentile":0.47793,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.59%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/tektoncd/pipelines-as-code/commit/001782829e82b83ecb3da903f5a024ca0826b64c","source":"security-advisories@github.com"},{"url":"https://github.com/tektoncd/pipelines-as-code/commit/40813976a77920feaf52671320d6d3c5ff08eb7e","source":"security-advisories@github.com"},{"url":"https://github.com/tektoncd/pipelines-as-code/commit/ac6fded6dfb69ade7197d4eeed6e90ddbe1b79bc","source":"security-advisories@github.com"},{"url":"https://github.com/tektoncd/pipelines-as-code/commit/e0c4a11ea3800ab9d26cf3a8ae92b74cf18527c3","source":"security-advisories@github.com"},{"url":"https://github.com/tektoncd/pipelines-as-code/releases/tag/v0.37.8","source":"security-advisories@github.com"},{"url":"https://github.com/tektoncd/pipelines-as-code/releases/tag/v0.39.6","source":"security-advisories@github.com"},{"url":"https://github.com/tektoncd/pipelines-as-code/releases/tag/v0.42.1","source":"security-advisories@github.com"},{"url":"https://github.com/tektoncd/pipelines-as-code/releases/tag/v0.48.0","source":"security-advisories@github.com"},{"url":"https://github.com/tektoncd/pipelines-as-code/security/advisories/GHSA-6f2p-296r-cc28","source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-54168","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}