Denial of Service Vulnerability in GitLab's CE/EE Versions
CVE-2025-14157

6.5MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
11 December 2025

What is CVE-2025-14157?

A vulnerability present in GitLab CE/EE allows an authenticated user to trigger a Denial of Service (DoS) condition. By sending specially crafted API calls that include large content parameters, a user could potentially overload the system, leading to service disruptions. This issue impacts all versions of GitLab from version 6.3 up to versions prior to 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2, and has been addressed in subsequent releases.

Affected Version(s)

GitLab 6.3 < 18.4.6

GitLab 18.5 < 18.5.4

GitLab 18.6 < 18.6.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/574324
issue-trackingpermissions-required
https://about.gitlab.com/releases/2025/12/10/patch-releas...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
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 Thong Kuah
JSON
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CVE-2025-14157 : Denial of Service Vulnerability in GitLab's CE/EE Versions