CVE-2025-13978 MEDIUM

CVE-2025-13978: Generation of Error Message Containing Sensitive Information in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-209 · Error message info leak
Published December 11, 2025
Last update December 11, 2025

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 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 discover the names of private projects they do not have access through API requests.

Key dates

02Disclosure timeline

December 11, 2025 CVE published
December 11, 2025 Record updated