Inclusion of Functionality from Untrusted Control Sphere Affecting gitlab-rails-19.3 package, versions <19.3.1-r0


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.42% (36th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-GITLABRAILS193-19658610
  • published10 Sept 2026
  • disclosed26 Aug 2026

Introduced: 26 Aug 2026

CVE-2026-18252  (opens in a new tab)
CWE-829  (opens in a new tab)

How to fix?

Upgrade Minimos:latest gitlab-rails-19.3 to version 19.3.1-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gitlab-rails-19.3 package and not the gitlab-rails-19.3 package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

GitLab has remediated an issue in GitLab EE affecting all versions from 18.9 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user with developer-role permissions could have executed arbitrary commands in a CI context, due to the Claude agent processing configuration from a user-controlled source.

CVSS Base Scores

version 3.1