VULNERABILITY INTELLIGENCE

CVE-2026-31271

CVSS score9.8 CRITICAL

EPSS probability0.55%

CISA KEVNot currently listed

Published2026-04-07

Last modified2026-06-17

Description

megagao production_ssm v1.0 contains an authorization bypass vulnerability in the user addition functionality. The insert() method in UserController.java lacks authentication checks, allowing unauthenticated attackers to create super administrator accounts by directly accessing the /user/insert endpoint. This leads to complete system compromise.