CVE-2026-33931

6.5 mediumEPSS 0.4%

Medium (6.5) in open-emr openemr. EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-31)
CWE: CWE-639
Published: 2026-03-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

open-emr:openemr

References

https://github.com/openemr/openemr/commit/7bf30e0ec5587f80c19094d58df09d46ac328806
https://github.com/openemr/openemr/releases/tag/v8_0_0_3
https://github.com/openemr/openemr/security/advisories/GHSA-hf37-5rp9-j27j

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