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

Published Dec 11, 2025
·
Updated

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.

Other sources

GitLab has remediated an issue that could have allowed an authenticated user to discover the names of private projects they do not have access through API requests.

— GitLab

Affected Software

7 affected componentsFixes available
GitLab GitLab>=17.5<18.4.6, >=18.5<18.5.4, >=18.6<18.6.2
18.4.618.5.418.6.2
GitLab GitLab>=17.5.0<18.4.6
GitLab GitLab>=17.5.0<18.4.6
GitLab GitLab>=18.5.0<18.5.4
GitLab GitLab>=18.5.0<18.5.4
GitLab GitLab>=18.6.0<18.6.2
GitLab GitLab>=18.6.0<18.6.2

Remediation

Information

Upgrade to versions 18.4.6, 18.5.4, 18.6.2 or above.

Event History

Dec 11, 2025
CVE Published
via MITRE·03:33 AM
Data Sourced
via MITRE·03:33 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·04:15 AM
DescriptionSeverityWeaknessAffected Software
Apr 21, 2026
Data Sourced
via GitLab·08:17 PM
DescriptionSeverityAffected Software

Peer vulnerabilities

Found alongside the following vulnerabilities.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2025-13978?

CVE-2025-13978 is classified as a medium severity vulnerability.

2

How does CVE-2025-13978 affect GitLab users?

CVE-2025-13978 allows authenticated users to discover names of private projects they do not have access to through API requests.

3

How do I fix CVE-2025-13978?

To remediate CVE-2025-13978, users should upgrade to GitLab versions 18.6.2 or later.

4

What versions of GitLab are affected by CVE-2025-13978?

CVE-2025-13978 affects GitLab versions between 17.5 and 18.6.2 inclusive.

5

Is there an official patch for CVE-2025-13978?

Yes, GitLab has released patches in version 18.6.2 to address CVE-2025-13978.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203