CVE-2026-49869 Kestra: Unauthenticated Remote Code Execution via Authentication Bypass in `AuthenticationFilter`

Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, AuthenticationFilter in Kestra OSS uses request.getPath.endsWith"/configs" to whitelist the public configuration endpoint from Basic Auth. Because the check is a suffix match rather than an exact path match...