WSO2 Admin API Activity via Forged JWT Without Prior Login

Arnold Chan@slaz

•updated Sep 16, 2026•0•0•2

Detects successful API requests to sensitive administrative endpoints on WSO2 systems that lack a corresponding legitimate authentication event (session) from the same SourceIP and user pair, which may indicate the use of forged JWTs or authentication bypass exploitation (e.g., CVE-2026-5430).