CVE-2025-3525

Received Received - Intake

Denial of Service in GitLab CI API via Crafted Triggers

Publication date: 2026-02-25

Last updated on: 2026-02-27

Assigner: GitLab Inc.

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.0 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have, under certain circumstances, allowed an authenticated user with certain access to cause Denial of Service by creating specially crafted CI triggers via the API.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-02-25

Last Modified

2026-02-27

Generated

2026-07-06

AI Q&A

2026-02-25

EPSS Evaluated

2026-07-05

NVD

CVE-2025-3525

EUVD

EUVD-2025-208117

Affected Vendors & Products

Vendor	Product	Version / Range
gitlab	gitlab	From 18.8.0 (inc) to 18.8.5 (exc)
gitlab	gitlab	From 18.8.0 (inc) to 18.8.5 (exc)
gitlab	gitlab	18.9.0
gitlab	gitlab	18.9.0
gitlab	gitlab	From 9.0.0 (inc) to 18.7.5 (exc)
gitlab	gitlab	From 9.0.0 (inc) to 18.7.5 (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 9.0 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1. It allows an authenticated user with certain access permissions to cause a Denial of Service (DoS) by creating specially crafted Continuous Integration (CI) triggers via the API.

Impact Analysis

The impact of this vulnerability is a Denial of Service (DoS) condition. An attacker who is authenticated and has certain access rights can exploit this issue to disrupt the availability of the GitLab service by creating specially crafted CI triggers, potentially causing service interruptions.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

To mitigate this vulnerability, you should upgrade GitLab CE/EE to a fixed version. Specifically, update to version 18.7.5 or later if you are using 18.7, 18.8.5 or later if you are using 18.8, or 18.9.1 or later if you are using 18.9. Versions prior to these are vulnerable.

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