CVE-2026-126461
MEDIUM
NVD
CVSS Score
6.5
Severity
MEDIUM
Published
Nov 13, 2026
Vendor
unknown
Description
OpenEMR before 8.5.0 contains a missing authorization vulnerability in library/ajax/user_settings.php that lets any authenticated user persist arbitrary global configuration overrides. Attackers can POST global:-prefixed keys to re-point external service hosts like CouchDB, eRx, phiMail, or SMTP to attacker-controlled servers, exfiltrating system credentials and patient PHI.