GHSA-W82P-R9VW-4RG5 WSO2's Input Validation Management Service contains Observable Discrepancy when Multi-Attribute Login is enabled

A username enumeration vulnerability exists in multiple WSO2 products when Multi-Attribute Login is enabled. In this configuration, the system returns a distinct "User does not exist" error message to the login form, regardless of the validateusername setting. This behavior allows malicious actor...