Service Availability Vulnerability in GitLab Community and Enterprise Editions
CVE-2025-0639

6.5MEDIUM

Key Information:

Vendor
Gitlab
Status
Gitlab
Vendor
CVE Published:
24 April 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

An issue has been identified in GitLab Community and Enterprise Editions that compromises service availability due to a problem with issue previews. This vulnerability impacts all versions of GitLab CE/EE from 16.7 prior to 17.9.7, 17.10 prior to 17.10.5, and 17.11 prior to 17.11.1. Users should take immediate action to understand how this vulnerability could affect their deployment and consider upgrading to the latest patched versions.

Affected Version(s)

GitLab 16.7 < 17.9.7

GitLab 17.10 < 17.10.5

GitLab 17.11 < 17.11.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-0639 - Proof of Concept

References

https://gitlab.com/gitlab-org/gitlab/-/issues/514507
issue-trackingpermissions-required
https://hackerone.com/reports/2946553
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

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Thanks [sigitsetiawansss](https://hackerone.com/sigitsetiawansss) for reporting this vulnerability through our HackerOne bug bounty program
.