Vulnerability Report

CVE-2025-9957

Title: Bypass of group fork prevention settings

Other

Proof Of Concept

No public PoC currently indexed for CVE-2025-9957.

CWE Category CWE-863

Published Date Apr 22, 2026

Modified Date Apr 23, 2026

Exploit Status Not Found

Score 2.7 CVSS v3.1

Exploit Probability (EPSS)

0.02%

Vulnerability Summary

CVE-2025-9957: 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.

Impacted Vendors

gitlab 1

jenkins 1

Reference Links

https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/ https://gitlab.com/gitlab-org/gitlab/-/work_items/567781 https://hackerone.com/reports/3275222

CVSS v3.1

Source Entity [email protected]

Severity LOW

2.7

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-9957 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

April 23, 2026 MODIFIED

Vulnerability data updated via NVD.

April 23, 2026 MODIFIED

Vulnerability data updated via NVD.

April 22, 2026 MODIFIED

Vulnerability data updated via NVD.

April 22, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.