CVE-2026-84739 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.11 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to execute arbitrary JavaScript in the context of another user's browser session due to...

CVE-2026-84739

GitLab CE/EE versions from 13.11 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 are vulnerable to a Cross-site Scripting (XSS) issue. The root cause is the improper sanitization of path components within the merge request diff viewer . This flaw could allow an authenticated user to exe...

EUVD-2026-88687

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.11 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to execute arbitrary JavaScript in the context of another user's browser session due to...