GHSA-R277-6W6Q-XMQW kin-openapi: ValidationHandler.Load() Fail-Open Authentication Bypass via NoopAuthenticationFunc Default

Summary ValidationHandler.Load in getkin/kin-openapi silently replaces a nil AuthenticationFunc with NoopAuthenticationFunc, which always returns nil without performing any credential check. Because this substitution happens unconditionally when the caller omits the field, every OpenAPI security...