CVE-2025-9957

Incorrect Authorization in GitLab

State: Published
Severity: 2.7 Low
Published: Apr 22, 2026
Updated: Apr 22, 2026
Reserved: Sep 3, 2025

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.2 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user with project owner permissions to bypass group fork prevention settings due to improper authorization checks.

Scores

CVSS	Score	Vector	Source
3.1	2.7 Low	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N	GitLab

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
GitLabGitLab	11.2 to before 18.9.6Affected 18.10 to before 18.10.4Affected 18.11 to before 18.11.1Affected

References

HackerOne Bug Bounty Report #3275222technical-descriptionexploitpermissions-required
https://gitlab.com/gitlab-org/gitlab/-/work_items/567781
https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/

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