Cross-site request forgery in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2026-4527
Published: May 18, 2026
Vulnerability identifier: #VU131676
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-4527
CWE-ID: CWE-352
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to create unauthorized Jira subscriptions for a targeted user's namespace.
The vulnerability exists due to missing CSRF protection in JiraConnect subscriptions when a targeted user follows a specially crafted link. A remote attacker can send a specially crafted link to create unauthorized Jira subscriptions for a targeted user's namespace.
User interaction is required to follow the crafted link.
Affected software
Gitlab Community Edition
GitLab Enterprise Edition
GitLab Enterprise Edition
How to mitigate CVE-2026-4527
Install security update from vendor's website.
Gitlab Community Edition - addressed in versions 18.9.7, 18.10.6, 18.11.3
GitLab Enterprise Edition - addressed in versions 18.9.7, 18.10.6, 18.11.3
GitLab Enterprise Edition - addressed in versions 18.9.7, 18.10.6, 18.11.3