CVE-2025-5996

Name: CVE-2025-5996
Creator: NVD / NIST
Published: 2025-06-12T10:16:39.64+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2025-5996 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An issue has been discovered in GitLab CE/EE affecting all versions from 2.1.0 before 17.10.8, 17.11 before 17.11.4, and 18.0 before 18.0.2. A lack of input validation in HTTP responses could allow an authenticated user to cause denial of service.. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 2.1.0 before 17.10.8, 17.11 before 17.11.4, and 18.0 before 18.0.2. A lack of input validation in HTTP responses could allow an authenticated user to cause denial of service.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.63%

45.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 2.1.0, < 17.10.8
Gitlab	Gitlab	>= 17.11.0, < 17.11.4
Gitlab	Gitlab	>= 18.0.0, < 18.0.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/476671Exploit, Issue Tracking
https://gitlab.com/gitlab-org/gitlab/-/issues/479167Exploit, Issue Tracking
https://gitlab.com/gitlab-org/gitlab/-/issues/483111Exploit, Issue Tracking
https://gitlab.com/gitlab-org/gitlab/-/issues/483150Broken Link
https://gitlab.com/gitlab-org/gitlab/-/issues/498649Broken Link

Timeline

Published: Jun 12, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-5996?

How severe is CVE-2025-5996?

CVE-2025-5996 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2025-5996?

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-2025-5996?

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

Scan your code now

Source: NVD / NIST