Denial of Service Vulnerability in GitLab by GitLab Inc.
CVE-2025-14511

7.5HIGH

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
25 February 2026

What is CVE-2025-14511?

A vulnerability has been identified in GitLab CE/EE that affects versions from 12.2 to 18.7.5, as well as 18.8 up to 18.8.5 and 18.9 up to 18.9.1. This issue could allow unauthenticated users to exploit the container registry event endpoint. By sending specially crafted files, it may lead to a denial of service under specific conditions, potentially disrupting access and functionality for legitimate users.

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Affected Version(s)

GitLab 12.2 < 18.7.5

GitLab 18.8 < 18.8.5

GitLab 18.9 < 18.9.1

References

https://gitlab.com/gitlab-org/gitlab/-/issues/583717
issue-trackingpermissions-required
https://hackerone.com/reports/3452200
technical-descriptionexploitpermissions-required
https://about.gitlab.com/releases/2026/02/25/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 [a92847865](https://hackerone.com/a92847865) for reporting this vulnerability through our HackerOne bug bounty program
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