CVE-2026-91995 [CRITICAL] – pig before 4.1.0 contains an authentication bypass vulnerability in the /register/password

pig before 4.1.0 contains an authentication bypass vulnerability in the /register/password endpoint where password verification results are discarded, allowing any value as the current password. Remote attackers can submit a username with an incorrect current password to overwrite any account credential including the admin account and gain full administrative control.