CVE-2025-13978

Name: CVE-2025-13978
Creator: NVD / NIST
Published: 2025-12-11T04:15:58.79+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2025-13978 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.26%

17.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-209

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 17.5.0, < 18.4.6
Gitlab	Gitlab	>= 18.5.0, < 18.5.4
Gitlab	Gitlab	>= 18.6.0, < 18.6.2

References

https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/Release Notes, Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/566960Broken Link
https://gitlab.com/gitlab-org/gitlab/-/work_items/566960Broken Link

Timeline

Published: Dec 11, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-13978?

How severe is CVE-2025-13978?

CVE-2025-13978 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2025-13978?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-13978?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST