PT-2026-97687

CVE-2026-84739

Published

2026-09-23

Updated

2026-10-06

Description by

CVSS 3.1

8.7

High

MetricsAV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 13.11 through 19.2.6 GitLab CE/EE versions 19.3 through 19.3.2 GitLab CE/EE versions 19.4

Description An issue exists where improper sanitization of path components in the merge request diff viewer could allow an authenticated user to execute arbitrary JavaScript in the context of another user's browser session.

Recommendations Update to version 19.2.7. Update to version 19.3.3. Update to version 19.4.1.

Exploitability

Exploit

Fix

Impacts

Researchers

Joaxcar

Vendors

Affected products

Weakness enumeration

CWE-79: Improper Neutralization of Input During Web Page Generation (\'Cross-site Scripting\')

Related identifiers