CVE-2026-57520

Bitwarden Server prior to 2026.5.0 is affected by a privilege-escalation vulnerability in the bulk user-remove endpoint. The issue arises from a missing role hierarchy check, allowing authenticated Custom users with ManageUsers permission to remove Admin accounts from an organization by supplying...

CVE-2026-57520 Bitwarden Server < 2026.5.0 Privilege Escalation via Bulk User Remove Endpoint

Bitwarden Server before 2026.5.0 contains a privilege escalation vulnerability that allows authenticated Custom users with ManageUsers permission to remove Admin accounts from an organization by exploiting a missing role hierarchy check in the bulk user-remove endpoint. Attackers can supply Admin...