Denial of Service Vulnerability in GitLab CE/EE Affecting Multiple Versions
CVE-2025-10569

6.5MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
9 January 2026

What is CVE-2025-10569?

A vulnerability in GitLab CE/EE could allow an authenticated user to initiate a denial of service attack by sending specially crafted responses to external API calls. This issue affects multiple versions of GitLab, enabling potential disruptions in service and impacting availability for users. Remediation is crucial to maintain the integrity and performance of the platform. GitLab has released updates to address this vulnerability, emphasizing the importance of keeping software up-to-date to protect against such exploits.

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Deploy the Patch

Affected Version(s)

GitLab 8.3 < 18.5.5

GitLab 18.6 < 18.6.3

GitLab 18.7 < 18.7.1

References

https://gitlab.com/gitlab-org/gitlab/-/issues/570528
issue-trackingpermissions-required
https://hackerone.com/reports/3284689
technical-descriptionexploitpermissions-required
https://about.gitlab.com/releases/2026/01/07/patch-releas...

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 [a92847865](https://hackerone.com/a92847865) for reporting this vulnerability through our HackerOne bug bounty program
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