CVE-2026-124455
OpenEMR before 8.3.0 IDOR via Portal OnsiteDocument Pid_Equals Mass-Assignment
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
OpenEMR before 8.3.0 contains an insecure direct object reference vulnerability in OnsiteDocumentController::Query() that allows authenticated portal patients to read other patients' documents by overriding Pid_Equals criteria. Attackers can supply Pid_Equals, Pid_GreaterThan, or Pid_In request parameters to the onsitedocuments API to retrieve signed consent forms, signatures, and PHI of any patient.
| CWE | CWE-639 |
| Vendor | openemr |
| Product | openemr |
| Published | Nov 8, 2026 |
Stay Ahead of the Next One
Get instant alerts for openemr openemr
Be the first to know when new medium vulnerabilities affecting openemr openemr are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
openemr / openemr
0 < 8.3.0
References
Credits
CyberKareem L0stHeart