CVE-2025-10858

HIGH

GitLab < 18.2.7, 18.3 < 18.3.3, 18.4 < 18.4.1 - Unauthenticated Denial of Service via Large JSON File Upload

Title source: llm

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.

References (1)

Core 1

Core References

Broken Link issue-tracking permissions-required

https://gitlab.com/gitlab-org/gitlab/-/issues/570034

Scores

CVSS v3 7.5

EPSS 0.0009

EPSS Percentile 24.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-770

Status published

Products (2)

gitlab/gitlab 18.4.0 (2 CPE variants)

gitlab/gitlab < 18.2.7 (2 CPE variants)

Published Sep 26, 2025

Tracked Since Feb 18, 2026