CVE-2025-2256 | GitLab Community Edition/Enterprise Edition up to 18.1.5/18.2.5/18.3.1 SAML Response improper validation of specified quantity in input (Patch 524633)

September 12, 2025 Yanac

A vulnerability described as problematic has been identified in GitLab Community Edition and Enterprise Edition up to 18.1.5/18.2.5/18.3.1. This issue affects some unknown processing of the component SAML Response Handler. Executing manipulation can lead to improper validation of specified quantity in input.

The identification of this vulnerability is CVE-2025-2256. The attack may be launched remotely. There is no exploit available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More