CVE-2025-3525
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
Description
CVSS Scores
EPSS Scores
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Meta Information
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 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
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
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.