CVE-2026-18252

Published: Ago 26, 2026 Last Modified: Ago 26, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none

Description

AI Translation Available

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.

829

Inclusion of Functionality from Untrusted Control Sphere

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Availability
Potential Impacts:
Execute Unauthorized Code Or Commands
Applicable Platforms
All platforms may be affected
View CWE Details
https://docs.gitlab.com/releases/patches/patch-release-gitl…
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/607342
https://gitlab.com/gitlab-org/gitlab/-/work_items/607342
https://hackerone.com/reports/3863650
https://hackerone.com/reports/3863650