CVE-2025-6945

LOW

Gitlab < 18.3.6 - Command Injection

Title source: rule

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 17.8 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker to leak sensitive information from confidential issues by injecting hidden prompts into merge request comments.

References (3)

[Release Notes, Vendor Advisory] https://about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released/

[Broken Link] https://gitlab.com/gitlab-org/gitlab/-/issues/552611

[Permissions Required] https://hackerone.com/reports/3173458

Scores

CVSS v3 3.5

EPSS 0.0004

EPSS Percentile 12.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

Classification

CWE

CWE-77

Status published

Affected Products (1)

gitlab/gitlab < 18.3.6

Timeline

Published Nov 15, 2025

Tracked Since Feb 18, 2026