Denial of Service Vulnerability in GitLab CE/EE by GitLab
CVE-2025-8099

7.5HIGH

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
11 February 2026

What is CVE-2025-8099?

GitLab has detected a vulnerability affecting all versions of GitLab CE/EE from 10.8 prior to 18.6.6, 18.7 prior to 18.7.4, and 18.8 prior to 18.8.4. This vulnerability allows unauthenticated users to potentially exploit the system by sending a barrage of repeated GraphQL queries, which can lead to a denial of service. The issue has been addressed in subsequent patch releases, reinforcing the importance of upgrading to secure versions and mitigating this risk for users and systems.

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Affected Version(s)

GitLab 10.8 < 18.6.6

GitLab 18.7 < 18.7.4

GitLab 18.8 < 18.8.4

References

https://gitlab.com/gitlab-org/gitlab/-/issues/557165
issue-trackingpermissions-required
https://hackerone.com/reports/3240210
technical-descriptionexploitpermissions-required
https://about.gitlab.com/releases/2026/02/10/patch-releas...

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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