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.

CVSS v3 2.7 LOW

2.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/	Release Notes Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/567781	Broken Link
https://hackerone.com/reports/3275222	Permissions Required

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:18.11.0::::community:::
	cpe:2.3:a:gitlab:gitlab:18.11.0::::enterprise:::

History

23 Apr 2026, 20:46

Type	Values Removed	Values Added
References	~~() https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/ -~~	() https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/ - Release Notes, Vendor Advisory
References	~~() https://gitlab.com/gitlab-org/gitlab/-/work_items/567781 -~~	() https://gitlab.com/gitlab-org/gitlab/-/work_items/567781 - Broken Link
References	~~() https://hackerone.com/reports/3275222 -~~	() https://hackerone.com/reports/3275222 - Permissions Required
First Time		Gitlab Gitlab gitlab
CPE		cpe:2.3:a:gitlab:gitlab:::::enterprise:::* cpe:2.3:a:gitlab:gitlab:18.11.0::::enterprise::: cpe:2.3:a:gitlab:gitlab:::::community:::* cpe:2.3:a:gitlab:gitlab:18.11.0::::community:::

22 Apr 2026, 17:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-22 17:16

Updated : 2026-04-23 20:46

NVD link : CVE-2025-9957

Mitre link : CVE-2025-9957

CVE.ORG link : CVE-2025-9957

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-863

Incorrect Authorization

{"id": "CVE-2025-9957", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "cve@gitlab.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 2.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 1.2}]}, "published": "2026-04-22T17:16:33.557", "references": [{"url": "https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@gitlab.com"}, {"url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/567781", "tags": ["Broken Link"], "source": "cve@gitlab.com"}, {"url": "https://hackerone.com/reports/3275222", "tags": ["Permissions Required"], "source": "cve@gitlab.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "cve@gitlab.com", "description": [{"lang": "en", "value": "CWE-863"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-04-23T20:46:07.997", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "9B5F84F8-7A9E-4B0F-81DD-71535EB1516C", "versionEndExcluding": "18.9.6", "versionStartIncluding": "11.2.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "2E02C3EE-D0C8-4AC3-8095-7F25A2DB5F1D", "versionEndExcluding": "18.9.6", "versionStartIncluding": "11.2.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "98D16D9B-6A45-45F3-934B-3ED95C8371BF", "versionEndExcluding": "18.10.4", "versionStartIncluding": "18.10.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "58B8096F-9D7B-403D-B685-E9D4FA24F3E5", "versionEndExcluding": "18.10.4", "versionStartIncluding": "18.10.0"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:18.11.0:*:*:*:community:*:*:*", "vulnerable": true, "matchCriteriaId": "A6100523-821F-4F41-872D-AC5A60EECC19"}, {"criteria": "cpe:2.3:a:gitlab:gitlab:18.11.0:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "C78F9577-CDD5-497B-A92F-3C578AC6709E"}], "operator": "OR"}]}], "sourceIdentifier": "cve@gitlab.com"}