CVE-2025-13436
Received Received - Intake
Denial of Service in GitLab CI via Resource Exhaustion

Publication date: 2026-03-25

Last updated on: 2026-03-26

Assigner: GitLab Inc.

Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.7 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to cause a denial of service due to excessive resource consumption when handling certain CI-related inputs.
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Meta Information
Published
2026-03-25
Last Modified
2026-03-26
Generated
2026-06-16
AI Q&A
2026-03-25
EPSS Evaluated
2026-06-15
NVD
CVE-2025-13436
EUVD
EUVD-2025-208993
Affected Vendors & Products
Showing 6 associated CPEs
Vendor Product Version / Range
gitlab gitlab From 18.9.0 (inc) to 18.9.3 (exc)
gitlab gitlab 18.10.0
gitlab gitlab From 18.9.0 (inc) to 18.9.3 (exc)
gitlab gitlab 18.10.0
gitlab gitlab From 13.7.0 (inc) to 18.8.7 (exc)
gitlab gitlab From 13.7.0 (inc) to 18.8.7 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-770 The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
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Executive Summary

This vulnerability in GitLab CE/EE affects versions from 13.7 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1. It allows an authenticated user to cause a denial of service by consuming excessive resources when processing certain continuous integration (CI)-related inputs.

Impact Analysis

The impact of this vulnerability is a denial of service condition. An authenticated user could exploit it to consume excessive system resources, potentially causing the GitLab service to become unavailable or unresponsive.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade GitLab CE/EE to a fixed version. Specifically, update to version 18.8.7 or later if you are using the 18.8 branch, 18.9.3 or later if you are using the 18.9 branch, or 18.10.1 or later if you are using the 18.10 branch.

This vulnerability affects all versions from 13.7 before the fixed versions mentioned above and could allow an authenticated user to cause a denial of service due to excessive resource consumption when handling certain CI-related inputs.

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