DoS Vulnerability in GitLab CE/EE Affects Recent Versions
CVE-2025-3279

6.5MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
26 June 2025

What is CVE-2025-3279?

An issue has been discovered in GitLab CE/EE, where authenticated attackers can trigger a denial-of-service (DoS) condition by sending specially crafted GraphQL requests. This vulnerability affects all versions from 10.7 up to 17.11.4, as well as versions 18.0.0 up to 18.0.2 and 18.1.0. The impact can lead to service unavailability, making it critical for users to apply updates and patches.

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Deploy the Patch

Affected Version(s)

GitLab 10.7 < 17.11.5

GitLab 18.0 < 18.0.3

GitLab 18.1 < 18.1.1

References

https://gitlab.com/gitlab-org/gitlab/-/issues/534424
issue-trackingpermissions-required
https://hackerone.com/reports/3067111
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
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