Information Disclosure Vulnerability in GitLab by GitLab
CVE-2025-13978

4.3MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
11 December 2025

What is CVE-2025-13978?

An information disclosure vulnerability in GitLab CE/EE allows authenticated users to access the names of private projects they do not have permissions to view via API requests. This issue impacts all versions from 17.5 prior to 18.4.6, 18.5 prior to 18.5.4, and 18.6 prior to 18.6.2, posing a risk of unintended exposure of sensitive project data.

Affected Version(s)

GitLab 17.5 < 18.4.6

GitLab 18.5 < 18.5.4

GitLab 18.6 < 18.6.2

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/566960
https://gitlab.com/gitlab-org/gitlab/-/issues/566960
issue-trackingpermissions-required
https://about.gitlab.com/releases/2025/12/10/patch-releas...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This vulnerability has been discovered internally by GitLab team member Rohit Shambhuni
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CVE-2025-13978 : Information Disclosure Vulnerability in GitLab by GitLab