{"id":"CVE-2026-16301","state":"PUBLISHED","title":"Incorrect Authorization in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user with Developer role to execute CI/CD pipelines on protected branches without authorization due to improper authorization checks in the downstream pipeline creation service.","publishedAt":"2026-10-13T01:08:11.162Z","updatedAt":"2026-10-14T19:25:42.569Z","severity":{"score":8.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N","source":"GitLab"},"assigner":"GitLab","products":["GitLab GitLab"],"affected":[{"vendor":"GitLab","product":"GitLab","defaultStatus":"unaffected","versions":[{"version":"18.7","status":"affected","lessThan":"19.2.8","versionType":"semver"},{"version":"19.3","status":"affected","lessThan":"19.3.5","versionType":"semver"},{"version":"19.4","status":"affected","lessThan":"19.4.2","versionType":"semver"}],"repo":"https://gitlab.com/gitlab-org/gitlab","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"]}],"references":["https://gitlab.com/gitlab-org/gitlab/-/work_items/606501","https://hackerone.com/reports/3853866","https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/16xxx/CVE-2026-16301.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-16301","state":"PUBLISHED","datePublished":"2026-10-13T01:08:11.162Z","dateUpdated":"2026-10-14T19:25:42.569Z","assignerShortName":"GitLab","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateReserved":"2026-07-20T13:04:30.251Z"},"containers":{"cna":{"title":"Incorrect Authorization in GitLab","descriptions":[{"lang":"en","value":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user with Developer role to execute CI/CD pipelines on protected branches without authorization due to improper authorization checks in the downstream pipeline creation service."}],"affected":[{"vendor":"GitLab","product":"GitLab","defaultStatus":"unaffected","versions":[{"version":"18.7","status":"affected","lessThan":"19.2.8","versionType":"semver"},{"version":"19.3","status":"affected","lessThan":"19.3.5","versionType":"semver"},{"version":"19.4","status":"affected","lessThan":"19.4.2","versionType":"semver"}],"repo":"https://gitlab.com/gitlab-org/gitlab","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"]}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/606501"},{"url":"https://hackerone.com/reports/3853866","name":"HackerOne Bug Bounty Report #3853866","tags":["technical-description","exploit","permissions-required"]},{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":8.5,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","lang":"en","description":"CWE-863: Incorrect Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitLab","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateUpdated":"2026-10-13T01:08:11.162Z"},"solutions":[{"lang":"en","value":"Upgrade to versions 19.2.8, 19.3.5, 19.4.2 or above."}],"credits":[{"lang":"en","value":"Thanks [sim4n6](https://hackerone.com/sim4n6) for reporting this vulnerability through our HackerOne bug bounty program","type":"finder"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-14T19:25:30.214475Z","id":"CVE-2026-16301","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-14T19:25:42.569Z"}}]}}}