{"id":"CVE-2026-3035","aliases":["BIT-gitlab-2026-3035","EUVD-2026-66431","GHSA-46vv-8gc3-7xrq"],"status":"published","title":"Authentication Bypass Using an Alternate Path or Channel in GitLab","description":"GitLab has remediated an issue in GitLab EE affecting all versions from 11.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user with project Maintainer permissions could have accessed the terminal of a protected environment they were not authorized to use due to improper authorization checks.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00315,"percentile":0.24675,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-288"],"published":"2026-08-26T13:36:45Z","modified":"2026-10-30T10:30:51Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["19.1.7","19.2.5","19.3.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"11.3.0"},{"fixed":"19.1.7"},{"introduced":"19.2.0"},{"fixed":"19.2.5"},{"introduced":"19.3.0"},{"fixed":"19.3.1"}]}]}],"products":[{"vendor":"gitlab","product":"gitlab"}],"references":[{"url":"https://hackerone.com/reports/3529751","tags":["technical-description","exploit","permissions-required","Permissions Required","Third Party Advisory","advisory","report"]},{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/591189","tags":["Issue Tracking","Vendor Advisory","advisory","web"]},{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/","tags":["Release Notes","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3035","tags":["web","advisory"]},{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released"},{"url":"https://github.com/advisories/GHSA-46vv-8gc3-7xrq"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3035.json","tags":["advisory"]},{"url":"git://git@gitlab.com:gitlab-org/gitlab.git","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-3035","title":"Authentication Bypass Using an Alternate Path or Channel in GitLab","description":"GitLab has remediated an issue in GitLab EE affecting all versions from 11.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, 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