CVE-2025-6945

Improper Neutralization of Special Elements used in a Command ('Command Injection') in GitLab

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.

Affected

GitLab

CVSS v3.1 GITLAB

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

EPSS

0.28% chance of exploitation in the next 30 days, 20th percentile

Published

2025-11-15

Updated

2025-11-17

Proof-of-concept exploits (1)

• https://hackerone.com/reports/3173458

Security advisories

• https://about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released

References

• CVE Record
• NVD entry