CVE-2026-47164: Improper Access Control

Vaultwarden is a Bitwarden-compatible server written in Rust. Prior to 1.36.0, Vaultwarden's SSO login flow checked the IdP emailverified claim only for new-user creation and not when SSOSIGNUPSMATCHEMAIL=true linked an IdP identity to an existing local account, allowing an attacker-controlled Id...