CVE-2025-11224
High
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated user to execute stored cross-site scripting through improper input validation in the Kubernetes proxy functionality.
SeverityHigh
CVSS7.7
Exploit probability—
Product
Gitlab
PublishedJan 14, 2026
First seenJan 14, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- gitlab gitlab18.3.6, 18.4.4, 18.5.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| gitlab gitlab | 15.10.0 ≤ v < 18.3.6, 18.4.0 ≤ v < 18.4.4, 18.5.0 ≤ v < 18.5.2 | 18.3.6, 18.4.4, 18.5.2 |
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