Improper Encoding or Escaping of Output Affecting gitlab-rails-ce-fips-18.3 package, versions <18.3.6-r2


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.02% (6th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-GITLABRAILSCEFIPS183-15130712
  • published28 Jan 2026
  • disclosed11 Dec 2025

Introduced: 11 Dec 2025

CVE-2025-12734  (opens in a new tab)
CWE-116  (opens in a new tab)

How to fix?

Upgrade Chainguard gitlab-rails-ce-fips-18.3 to version 18.3.6-r2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gitlab-rails-ce-fips-18.3 package and not the gitlab-rails-ce-fips-18.3 package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.6 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to, under certain conditions, render content in dialogs to other users by injecting malicious HTML content into merge request titles.