Missing Authorization Vulnerability in OpenEMR by OpenEMR
CVE-2026-124486

8.7HIGH

Key Information:

Vendor

Openemr

Status
Openemr
Vendor
CVE Published:
8 November 2026

What is CVE-2026-124486?

A vulnerability in OpenEMR prior to version 8.3.0 allows authenticated users with low privileges to access and modify other patients' documents. By exploiting the classic document controller, an attacker can change the categorization of documents and access sensitive patient health information. This flaw enables potential manipulation of patient charts and unauthorized exfiltration of protected health information (PHI) through the 'move_action_process' function, creating significant risks for patient privacy and security.

Affected Version(s)

openemr 0 < 8.3.0

openemr 8.3.0

References

https://github.com/openemr/openemr/security/advisories/GH...
vendor-advisory
https://www.vulncheck.com/advisories/openemr-before-8.3.0...
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

christos-cantina-security
.