CVE-2026-55163

Lemur (Netflix TLS certificate management tool) has an authorization bypass in PUT /api/1/roles/ (lemur/roles/views.py:298): RoleMemberPermission uses OR-semantics, so any existing role member can add/remove other users and rename the role. The companion DELETE handler already required admin perm...

CVE-2026-55163: Incorrect Authorization

Lemur manages TLS certificate creation. Prior to 1.9.2, PUT /api/1/roles/ in lemur/roles/views.py:298 authorized updates with RoleMemberPermissionroleid, which allowed either an administrator or any existing member of the target role. The handler passed data"users" and data"name" to service.updat...