{"id":"CVE-2025-0549","summary":"Authentication Bypass Using an Alternate Path or Channel in GitLab","details":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 17.3 prior to 17.9.8, from 17.10 prior to 17.10.6, and from 17.11 prior to 17.11.2. A security vulnerability allows attackers to bypass Device OAuth flow protections, enabling authorization form submission through minimal user interaction.","aliases":["BIT-gitlab-2025-0549"],"modified":"2026-04-10T05:20:18.294211Z","published":"2025-05-09T16:13:23.860Z","database_specific":{"cna_assigner":"GitLab","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/0xxx/CVE-2025-0549.json","cwe_ids":["CWE-288"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/0xxx/CVE-2025-0549.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-0549"},{"type":"REPORT","url":"https://gitlab.com/gitlab-org/gitlab/-/issues/513996"},{"type":"REPORT","url":"https://hackerone.com/reports/2927555"},{"type":"PACKAGE","url":"git://git@gitlab.com:gitlab-org/gitlab.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"5aad128b1defa01641e69fdcd5a2ec16bd1d4c2c"},{"fixed":"610a89e5348b7d0e5e0955e04372fcd583fbac06"}],"database_specific":{"versions":[{"introduced":"17.3"},{"fixed":"17.9.8"}]}},{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"ef8041bebeac4b902db1666c582a3de1d495ae39"},{"fixed":"cde687530d9e34029806d689bbe6e6cd566bbafc"}],"database_specific":{"versions":[{"introduced":"17.10"},{"fixed":"17.10.6"}]}},{"type":"GIT","repo":"https://gitlab.com/gitlab-org/gitlab","events":[{"introduced":"b7c061ce59a5eca5c5764fcf61be8a5103fb7d55"},{"fixed":"86b7032203f889edf597c88c37809b07e2ca1a8f"}],"database_specific":{"versions":[{"introduced":"17.11"},{"fixed":"17.11.2"}]}}],"versions":["v17.10.0-ee","v17.10.2-ee","v17.10.3-ee","v17.11.0-ee"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-0549.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N"}]}