{"id":"CVE-2025-6601","aliases":["BIT-gitlab-2025-6601","EUVD-2025-35954","GHSA-28w7-9227-5wcm","UBUNTU-CVE-2025-6601"],"status":"published","title":"Business Logic Errors in GitLab","description":"GitLab has remediated an issue in GitLab EE affecting all versions from 18.4 before 18.4.3, and 18.5 before 18.5.1 that under certain conditions could have allowed authenticated users to gain unauthorized project access by exploiting the access request approval workflow.","severity":{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0032,"percentile":0.25142,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-840"],"published":"2025-10-27T00:06:04Z","modified":"2026-10-30T10:47:16Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["18.4.3","18.5.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"18.4.0"},{"fixed":"18.4.3"},{"introduced":"18.5.0"},{"fixed":"18.5.1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"gitlab","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12","8.5.8+dfsg-5"]}],"products":[{"vendor":"gitlab","product":"gitlab"}],"references":[{"url":"https://about.gitlab.com/releases/2025/10/22/patch-release-gitlab-18-5-1-released/","tags":["Release Notes","Vendor Advisory","advisory","web"]},{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/551267","tags":["issue-tracking","permissions-required","Broken Link","web","report"]},{"url":"https://hackerone.com/reports/3209641","tags":["technical-description","exploit","permissions-required","Permissions Required","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6601","tags":["web","advisory"]},{"url":"https://about.gitlab.com/releases/2025/10/22/patch-release-gitlab-18-5-1-released"},{"url":"https://github.com/advisories/GHSA-28w7-9227-5wcm"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6601.json","tags":["advisory"]},{"url":"git://git@gitlab.com:gitlab-org/gitlab.git","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2025-6601","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-6601","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-6601","title":"Business Logic Errors in 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