CVE-2026-4527

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due to missing CSRF protection.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/	Release Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/594339	Broken Link
https://hackerone.com/reports/3590487	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:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*

History

15 May 2026, 19:56

Type	Values Removed	Values Added
References	~~() https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/ -~~	() https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/ - Release Notes
References	~~() https://gitlab.com/gitlab-org/gitlab/-/work_items/594339 -~~	() https://gitlab.com/gitlab-org/gitlab/-/work_items/594339 - Broken Link
References	~~() https://hackerone.com/reports/3590487 -~~	() https://hackerone.com/reports/3590487 - Permissions Required
CPE		cpe:2.3:a:gitlab:gitlab:::::enterprise:::* cpe:2.3:a:gitlab:gitlab:::::community:::*
First Time		Gitlab gitlab Gitlab

14 May 2026, 06:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-14 06:16

Updated : 2026-05-15 19:56

NVD link : CVE-2026-4527

Mitre link : CVE-2026-4527

CVE.ORG link : CVE-2026-4527

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-352

Cross-Site Request Forgery (CSRF)

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