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Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with project membership to enumerate private group members due to missing authorization checks.

PUBLISHED Reserved 2026-05-07 | Published 2026-05-14 | Updated 2026-05-14 | Assigner GitLab




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

Problem types

CWE-862: Missing Authorization

Product status

Default status
unaffected

15.1 (semver) before 18.9.7
affected

18.10 (semver) before 18.10.6
affected

18.11 (semver) before 18.11.3
affected

Credits

This vulnerability has been discovered internally by GitLab team member Terri Chu finder

References

gitlab.com/gitlab-org/gitlab/-/work_items/591964

about.gitlab.com/...3/patch-release-gitlab-18-11-3-released/

cve.org (CVE-2026-8144)

nvd.nist.gov (CVE-2026-8144)

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