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Description

GitLab has remediated an issue in GitLab EE affecting all versions from 13.9 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 Security Manager-role permissions to manage project security configuration even when the relevant feature was in a disabled state, due to incorrect authorization enforcement.

PUBLISHED Reserved 2026-04-14 | Published 2026-06-11 | Updated 2026-06-11 | Assigner GitLab




MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Problem types

CWE-863: Incorrect Authorization

Product status

Default status
unaffected

13.9 (semver) before 18.10.8
affected

18.11 (semver) before 18.11.5
affected

19.0 (semver) before 19.0.2
affected

Credits

Thanks [mateuszek](https://hackerone.com/mateuszek) for reporting this vulnerability through our HackerOne bug bounty program finder

References

gitlab.com/gitlab-org/gitlab/-/work_items/596656

hackerone.com/reports/3662615 (HackerOne Bug Bounty Report #3662615) technical-description exploit permissions-required

about.gitlab.com/...10/patch-release-gitlab-19-0-2-released/

cve.org (CVE-2026-6277)

nvd.nist.gov (CVE-2026-6277)

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