Improper access control in OpenEMR - #VU158855
Published: November 3, 2026
Vulnerability identifier: #VU158855
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to modify laboratory-order transmission flags with read-only medical permission, potentially suppressing ordered procedures from transmission or printing and delaying testing.
The vulnerability exists due to improper access control in interface/orders/order_manifest.php when processing requests to save procedure omission selections. A remote user can submit a POST request containing bn_save and form_omit selections for a chosen orderid using a patients/med=view session to change procedure do_not_send flags without write permission.
Affected software
OpenEMR
Remediation
Install security update from vendor's website.
OpenEMR - update to 8.5.0