Denial of Service Vulnerability in GitLab CE/EE by GitLab
CVE-2025-13078

6.5MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
25 March 2026

What is CVE-2025-13078?

GitLab CE/EE has a vulnerability that allows an authenticated user to trigger a denial of service condition. This occurs due to excessive resource consumption when processing certain webhook configuration inputs. The issue affects versions prior to 18.8.7, 18.9.3, and 18.10.1, making it crucial for users to update their systems to the latest versions to mitigate the risk of exploitation.

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Deploy the Patch

Affected Version(s)

GitLab 16.10 < 18.8.7

GitLab 18.9 < 18.9.3

GitLab 18.10 < 18.10.1

References

https://hackerone.com/reports/3413704
technical-descriptionexploitpermissions-required
https://gitlab.com/gitlab-org/gitlab/-/work_items/580488
https://about.gitlab.com/releases/2026/03/25/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 [lucky_luke](https://hackerone.com/lucky_luke) for reporting this vulnerability through our HackerOne bug bounty program
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