Improper Authorization in OpenEMR - #VU158833
Published: November 3, 2026
Vulnerability identifier: #VU158833
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to modify another patient's tracker status, room assignment, and linked appointment state without authorization, disrupting patient-flow and scheduling operations.
The vulnerability exists due to improper authorization in the interface/patient_tracker/patient_tracker_status.php endpoint when processing tracker status requests containing a user-supplied tracker_id. A remote user can submit a known or guessed valid tracker identifier, a valid session CSRF token, and crafted statustype and roomnum values to alter another patient's tracker and linked appointment without patient-specific authorization checks.
Affected software
OpenEMR
Remediation
Install security update from vendor's website.
OpenEMR - update to 8.5.0