Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect through the LoginFormHandler in the login handler. An attacker can send a crafted /login request with a protocol-relative redirect target beginning with // to make the application redirect a victim to an external site afte...

CVE-2026-40586

blueprintUE is a tool to help Unreal Engine developers. Prior to 4.2.0, the login form handler performs no throttling of any kind. Failed authentication attempts are processed at full network speed with no IP-based rate limiting, no per-account attempt counter, no temporary lockout, no progressiv...

CVE-2026-40586: Improper Restriction of Excessive Authentication Attempts

blueprintUE is a tool to help Unreal Engine developers. Prior to 4.2.0, the login form handler performs no throttling of any kind. Failed authentication attempts are processed at full network speed with no IP-based rate limiting, no per-account attempt counter, no temporary lockout, no progressiv...