GitLab EE: Arbitrary Script Exec via XSS in EE <18.11.7,<19.0.4,<19.1.2
CVE-2026-6896 Published on July 8, 2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
GitLab has remediated an issue in GitLab EE affecting all versions from 13.11 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input.
Vulnerability Analysis
CVE-2026-6896 is exploitable with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2026-6896 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2026-6896
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Affected Versions
GitLab:- Version 13.11 and below 18.11.7 is affected.
- Version 19.0 and below 19.0.4 is affected.
- Version 19.1 and below 19.1.2 is affected.