CVE-2025-9957CWE-863broken-access-control

CVE-2025-9957

Low · published April 22, 2026

CVSS v3.1
2.7
EPSS
0%
Percentile
30.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
2.7 · LOW
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00381 · 30.9th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-04-22T21:16Z
Affected products (6)
ProductVersionsFixed in
gitlab/gitlab≥ 11.2.0, < 18.9.618.9.6
gitlab/gitlab≥ 11.2.0, < 18.9.618.9.6
gitlab/gitlab≥ 18.10.0, < 18.10.418.10.4
gitlab/gitlab≥ 18.10.0, < 18.10.418.10.4
gitlab/gitlaball versions—
gitlab/gitlaball versions—
References (3)
https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/ · [email protected]https://gitlab.com/gitlab-org/gitlab/-/work_items/567781 · [email protected]https://hackerone.com/reports/3275222 · [email protected]
EPSS history
Timeline
  • 22 APR 16:05Z
    Incorrect Authorization in GitLab
    cvelistv5