CVE-2025-13978

Generation of Error Message Containing Sensitive Information in GitLab

State: Published
Severity: 4.3 Medium
Published: Dec 11, 2025
Updated: Dec 11, 2025
Reserved: Dec 3, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	GitLab

Weaknesses

CWE-209 Generation of Error Message Containing Sensitive Information

Affected Products

Product	Versions
GitLabGitLab	17.5 to before 18.4.6Affected 18.5 to before 18.5.4Affected 18.6 to before 18.6.2Affected

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/566960
GitLab Issue #566960issue-trackingpermissions-required
https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/

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