CVE-2025-10858
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-26

Last updated on: 2025-09-29

Assigner: GitLab Inc.

Description
An issue was discovered in GitLab CE/EE affecting all versions before 18.2.7, 18.3 before 18.3.3, and 18.4 before 18.4.1 that allows unauthenticated users to cause a Denial of Service (DoS) condition while uploading specifically crafted large JSON files.
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Meta Information
Published
2025-09-26
Last Modified
2025-09-29
Generated
2026-06-16
AI Q&A
2025-09-26
EPSS Evaluated
2026-06-15
NVD
CVE-2025-10858
EUVD
EUVD-2025-31327
Affected Vendors & Products
Showing 6 associated CPEs
Vendor Product Version / Range
gitlab gitlab to 18.2.7 (exc)
gitlab gitlab to 18.2.7 (exc)
gitlab gitlab From 18.3.0 (inc) to 18.3.3 (exc)
gitlab gitlab From 18.3.0 (inc) to 18.3.3 (exc)
gitlab gitlab 18.4.0
gitlab gitlab 18.4.0
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 allows unauthenticated users to cause a Denial of Service (DoS) by uploading specially crafted large JSON files. It affects versions before 18.2.7, 18.3 before 18.3.3, and 18.4 before 18.4.1.

Impact Analysis

The impact of this vulnerability is a Denial of Service (DoS) condition, which means that an attacker can disrupt the availability of the GitLab service by causing it to become unresponsive or crash through uploading maliciously crafted large JSON files.

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