Cross-site scripting in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-3093

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Main Vulnerability Database Vulnerabilities #VU140482

Cross-site scripting in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-3093

Published: July 29, 2026 / Updated: July 30, 2026


Vulnerability identifier: #VU140482
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2026-3093
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Affected software:
GitLab Enterprise Edition
Gitlab Community Edition

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary JavaScript in another user's browser.

The vulnerability exists due to cross-site scripting in paginated views when a victim visits a crafted URL. A remote attacker can send a crafted URL to execute arbitrary JavaScript in another user's browser.

User interaction is required for the victim to open the crafted URL.


How to mitigate CVE-2026-3093

Install security update from vendor's website.

Sources