GitLab CE/EE HTML Injection Allows Unauthorized Email Additions (CVE-2026-0595)
CVE-2026-0595 Published on February 11, 2026
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 13.9 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to add unauthorized email addresses to victim accounts through HTML injection in test case titles.
Vulnerability Analysis
CVE-2026-0595 can be exploited 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-2026-0595 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2026-0595
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Affected Versions
GitLab:- Version 13.9 and below 18.6.6 is affected.
- Version 18.7 and below 18.7.4 is affected.
- Version 18.8 and below 18.8.4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.