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.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-03-25

Last Modified

2026-03-26

Generated

2026-07-06

AI Q&A

2026-03-25

EPSS Evaluated

2026-07-05

NVD

CVE-2025-13436

EUVD

EUVD-2025-208993

Affected Vendors & Products

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

KEV

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.

Attack-Flow Graph

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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