CVE-2026-0595
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
5.4
MEDIUM
CVSS 3.1
EPSS 0.08%
Description
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.
How to fix CVE-2026-0595
To remediate CVE-2026-0595, upgrade the affected package to a fixed version below.
- —upgrade to 18.6.6 or later
Is CVE-2026-0595 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 13.9.0, < 18.6.6, >= 18.7.0, < 18.7.4, >= 18.8.0, < 18.8.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |