---
id: CVE-2025-9957
title: >-
  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
  permi…
summary: >-
  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
  permi…
severity: low
cvss: 2.7
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-863
vendor: gitlab
product: gitlab
affected:
  - 'gitlab >= 11.2.0, < 18.9.6'
  - 'gitlab >= 18.10.0, < 18.10.4'
  - gitlab = 18.11.0
patched:
  - gitlab 18.10.4
published: '2026-04-22'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T13:10:00.187'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-9957'
references:
  - url: >-
      https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/
    label: cve@gitlab.com
  - url: 'https://gitlab.com/gitlab-org/gitlab/-/work_items/567781'
    label: cve@gitlab.com
  - url: 'https://hackerone.com/reports/3275222'
    label: cve@gitlab.com
tags:
  - nvd
epss: 0.00381
epssPercentile: 0.30258
ingestedAt: '2026-10-14T13:30:58.483Z'
---

## Overview

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.

## Affected

- `gitlab >= 11.2.0, < 18.9.6`
- `gitlab >= 18.10.0, < 18.10.4`
- `gitlab = 18.11.0`

## Remediation

Upgrade past the affected range:

- `gitlab 18.10.4`