Denial of Service Vulnerability in GitLab EE/CE Affecting Multiple Versions
CVE-2025-8014

7.5HIGH

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
27 September 2025

What is CVE-2025-8014?

A critical Denial of Service vulnerability exists in the GraphQL endpoints of GitLab EE/CE. This flaw affects all versions starting from 11.10 and includes versions prior to 18.2.7, 18.3.3, and 18.4.1. It allows unauthenticated users to bypass query complexity limits, potentially leading to resource exhaustion and causing significant service disruption. Due to the nature of this vulnerability, it is essential for GitLab users to apply available patches and follow security best practices to safeguard against unauthorized disruptions.

Affected Version(s)

GitLab 11.10 < 18.2.7

GitLab 18.3 < 18.3.3

GitLab 18.4 < 18.4.1

References

https://gitlab.com/gitlab-org/gitlab/-/issues/556838
issue-trackingpermissions-required
https://hackerone.com/reports/3228134
technical-descriptionexploitpermissions-required

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Thanks [foxribeye](https://hackerone.com/foxribeye) for reporting this vulnerability through our HackerOne bug bounty program
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CVE-2025-8014 : Denial of Service Vulnerability in GitLab EE/CE Affecting Multiple Versions