{"id":"CVE-2025-11984","state":"PUBLISHED","title":"Authentication Bypass Using an Alternate Path or Channel in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to bypass WebAuthn two-factor authentication by manipulating the session state under certain conditions.","publishedAt":"2025-12-11T04:04:47.302Z","updatedAt":"2026-02-26T16:21:04.830Z","severity":{"score":6.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","source":"GitLab"},"assigner":"GitLab","products":["GitLab GitLab"],"affected":[{"vendor":"GitLab","product":"GitLab","defaultStatus":"unaffected","versions":[{"version":"13.1","status":"affected","lessThan":"18.4.6","versionType":"semver"},{"version":"18.5","status":"affected","lessThan":"18.5.4","versionType":"semver"},{"version":"18.6","status":"affected","lessThan":"18.6.2","versionType":"semver"}],"repo":"git://git@gitlab.com:gitlab-org/gitlab.git","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"]}],"references":["https://gitlab.com/gitlab-org/gitlab/-/issues/577847","https://hackerone.com/reports/3322714","https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/"],"weaknesses":["CWE-288"],"ingestedAt":"2026-10-29T20:08:31.050Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/11xxx/CVE-2025-11984.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-11984","state":"PUBLISHED","datePublished":"2025-12-11T04:04:47.302Z","dateUpdated":"2026-02-26T16:21:04.830Z","assignerShortName":"GitLab","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateReserved":"2025-10-20T18:33:40.909Z"},"containers":{"cna":{"title":"Authentication Bypass Using an Alternate Path or Channel in GitLab","descriptions":[{"lang":"en","value":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to bypass WebAuthn two-factor authentication by manipulating the session state under certain conditions."}],"affected":[{"vendor":"GitLab","product":"GitLab","defaultStatus":"unaffected","versions":[{"version":"13.1","status":"affected","lessThan":"18.4.6","versionType":"semver"},{"version":"18.5","status":"affected","lessThan":"18.5.4","versionType":"semver"},{"version":"18.6","status":"affected","lessThan":"18.6.2","versionType":"semver"}],"repo":"git://git@gitlab.com:gitlab-org/gitlab.git","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"]}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/577847","name":"GitLab Issue #577847","tags":["issue-tracking","permissions-required"]},{"url":"https://hackerone.com/reports/3322714","name":"HackerOne Bug Bounty Report #3322714","tags":["technical-description","exploit","permissions-required"]},{"url":"https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":6.8,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-288","lang":"en","description":"CWE-288: Authentication Bypass Using an Alternate Path or Channel","type":"CWE"}]}],"providerMetadata":{"shortName":"GitLab","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateUpdated":"2025-12-11T04:04:47.302Z"},"solutions":[{"lang":"en","value":"Upgrade to versions 18.4.6, 18.5.4, 18.6.2 or above."}],"credits":[{"lang":"en","value":"Thanks [jcarre](https://hackerone.com/jcarre) for reporting this vulnerability through our HackerOne bug bounty program","type":"finder"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2025-11984","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-12-12T04:55:47.783484Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-26T16:21:04.830Z"}}]}}}