CVE-2026-8144

MEDIUM 4.3

Missing Authorization in GitLab

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-862
Vendor	gitlab
Product	gitlab
Ecosystems	DevTools
Industries	Technology
Published	May 14, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

GitLab / GitLab

15.1 < 18.9.7 18.10 < 18.10.6 18.11 < 18.11.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/work_items/591964 about.gitlab.com: https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/

Credits

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