GitLab GraphQL Endpoint Denial-of-Service Vulnerability

Vulnerability

A denial-of-service vulnerability has been identified in the GraphQL endpoints of GitLab EE/CE. This issue affects all versions from 11.10 prior to 18.2.7, 18.3 prior to 18.3.3, and 18.4 prior to 18.4.1. The vulnerability allows unauthenticated users to potentially bypass query complexity limits, leading to resource exhaustion and service disruption.

Impact

Exploitation of this vulnerability can cause resource exhaustion, leading to a disruption of services.

Added: Sep 27, 2025, 5:17 PM
Updated: Sep 27, 2025, 5:17 PM

Vulnerability Rating

Custom Algorithm
spread
7.3
impact
2.5
exploitability
7.4
remediation
0.0
relevance
0.6
threat
0.0
urgency
2.9
incentive
5.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.