{"id":"CVE-2026-6552","aliases":["BIT-gitlab-2026-6552","EUVD-2026-36229","GHSA-r82j-g6q9-mvx8","UBUNTU-CVE-2026-6552"],"status":"rejected","title":"GitLab has remediated an issue in GitLab EE affecting all versions from 15.5 before 18.10.8, 18...","description":"This CVE ID has been rejected. GitLab determined that the reported behavior does not constitute a vulnerability: linking a group SAML identity requires the user to explicitly consent to that group controlling their GitLab account for sign-in, and management of group SAML identities by a group Owner is therefore expected behavior rather than an authorization bypass. No GitLab version was affected.","severity":{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","level":"high","from":"ghsa"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-639"],"published":"2026-06-11T10:20:21Z","modified":"2026-08-06T03:11:24Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["18.10.8","18.11.5","19.0.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"15.5.0"},{"fixed":"18.10.8"},{"introduced":"18.11.0"},{"fixed":"18.11.5"},{"introduced":"19.0.0"},{"fixed":"19.0.2"}]}]},{"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"]}],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6552","tags":["web"]},{"url":"https://hackerone.com/reports/3655189","tags":["web","report"]},{"url":"https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released"},{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/597295","tags":["web","report"]},{"url":"https://github.com/advisories/GHSA-r82j-g6q9-mvx8"},{"url":"https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/","tags":["web","report"]},{"url":"https://ubuntu.com/security/CVE-2026-6552","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-6552","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-6552","description":"This CVE ID has been rejected. GitLab determined that the reported behavior does not constitute a vulnerability: linking a group SAML identity requires the user to explicitly consent to that group controlling their GitLab account for sign-in, and management of group SAML identities by a group Owner is therefore expected behavior rather than an authorization bypass. No GitLab version was affected.","status":"rejected","published":"2026-06-11T10:20:21.427Z","modified":"2026-07-31T18:38:12.936Z","updated_at":"2026-11-02T13:50:04.986624Z"}],"euvd":[{"id":"EUVD-2026-36229","description":"This CVE ID has been rejected. GitLab determined that the reported behavior does not constitute a vulnerability: linking a group SAML identity requires the user to explicitly consent to that group controlling their GitLab account for sign-in, and management of group SAML identities by a group Owner is therefore expected behavior rather than an authorization bypass. No GitLab version was affected.","status":"published","published":"2026-06-11T10:20:21Z","modified":"2026-07-31T18:38:12Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T18:02:25.522444Z"}],"ghsa":[{"id":"GHSA-r82j-g6q9-mvx8","title":"GitLab has remediated an issue in GitLab EE affecting all versions from 15.5 before 18.10.8, 18...","description":"GitLab has remediated an issue in GitLab EE affecting all versions from 15.5 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with group Owner role to take over another group member's GitLab account due to improper authorization in the Group SAML identity management functionality.","status":"published","published":"2026-06-11T12:32:45Z","modified":"2026-06-11T12:32:55Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:08:44.492605Z"}],"nvd":[{"id":"CVE-2026-6552","description":"Rejected reason: This CVE ID has been rejected. GitLab determined that the reported behavior does not constitute a vulnerability: linking a group SAML identity requires the user to explicitly consent to that group controlling their GitLab account for sign-in, and management of group SAML identities by a group Owner is therefore expected behavior rather than an authorization bypass. No GitLab version was affected.","status":"rejected","published":"2026-06-11T12:16:32.347Z","modified":"2026-07-31T19:17:12.343Z","updated_at":"2026-11-02T14:12:23.485267Z"}],"osv":[{"id":"UBUNTU-CVE-2026-6552","description":"Rejected reason: This CVE ID has been rejected. GitLab determined that the reported behavior does not constitute a vulnerability: linking a group SAML identity requires the user to explicitly consent to that group controlling their GitLab account for sign-in, and management of group SAML identities by a group Owner is therefore expected behavior rather than an authorization bypass. No GitLab version was affected.","status":"published","published":"2026-06-11T12:16:00Z","modified":"2026-08-06T03:11:24.203747904Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T16:56:53.710209Z"},{"id":"BIT-gitlab-2026-6552","title":"Authorization Bypass Through User-Controlled Key in GitLab","description":"GitLab has remediated an issue in GitLab EE affecting all versions from 15.5 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with group Owner role to take over another group member's GitLab account due to improper authorization in the Group SAML identity management functionality.","status":"published","published":"2026-06-12T09:05:00.144Z","modified":"2026-06-12T09:15:04.254078122Z","updated_at":"2026-11-02T15:28:30.70064Z"}]}}