CVE-2026-33931

MEDIUM

OpenEMR has IDOR in Portal Payment Page that Allows Cross-Patient Record Access

Title source: cna
STIX 2.1

Description

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, an Insecure Direct Object Reference (IDOR) vulnerability in the patient portal payment page allows any authenticated portal patient to access other patients' payment records — including invoice/billing data (PHI) and payment card metadata — by manipulating the `recid` query parameter in `portal/portal_payment.php`. Version 8.0.0.3 patches the issue.

References (3)

Core 3

Scores

CVSS v3 6.5
EPSS 0.0035
EPSS Percentile 26.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-639
Status published
Products (2)
open-emr/openemr < 8.0.0.3
openemr/openemr < 8.0.0.3
Published Mar 26, 2026
Tracked Since Mar 26, 2026