Denial of Service Vulnerability in GitLab CE/EE
CVE-2025-7337

6.5MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
12 September 2025

What is CVE-2025-7337?

A vulnerability in GitLab CE/EE allows authenticated users with Developer-level access to exploit file upload functionalities. By uploading excessively large files, an attacker can induce a persistent denial of service on the GitLab instance, impacting all users. This issue affects various versions, making it critical for administrators to apply the latest security updates to mitigate the risk.

Affected Version(s)

GitLab 7.8 < 18.1.6

GitLab 18.2 < 18.2.6

GitLab 18.3 < 18.3.2

References

https://about.gitlab.com/releases/2025/09/10/patch-releas...
https://gitlab.com/gitlab-org/gitlab/-/issues/554062
issue-trackingpermissions-required
https://hackerone.com/reports/3161756
technical-descriptionexploitpermissions-required

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

Thanks [pwnie](https://hackerone.com/pwnie) for reporting this vulnerability through our HackerOne bug bounty program
.
CVE-2025-7337 : Denial of Service Vulnerability in GitLab CE/EE