{"id":"BIT-gitlab-2026-2745","summary":"Authentication Bypass Using an Alternate Path or Channel in GitLab","details":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 7.11 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to bypass WebAuthn two-factor authentication and gain unauthorized access to user accounts due to inconsistent input validation in the authentication process.","aliases":["CVE-2026-2745"],"modified":"2026-09-08T08:47:46.485969524Z","published":"2026-03-27T12:15:06.072Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*","cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"]},"references":[{"type":"ADVISORY","url":"https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/"},{"type":"WEB","url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/590810"},{"type":"WEB","url":"https://hackerone.com/reports/3557844"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2745"}],"affected":[{"package":{"name":"gitlab","ecosystem":"Bitnami","purl":"pkg:bitnami/gitlab"},"ranges":[{"type":"SEMVER","events":[{"introduced":"7.11.0"},{"fixed":"18.8.7"},{"introduced":"18.9.0"},{"fixed":"18.9.3"},{"introduced":"18.10.0"},{"fixed":"18.10.1"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/gitlab/BIT-gitlab-2026-2745.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"}]}],"schema_version":"1.9.0"}