CVE-2026-124489

HIGH 7.1

OpenEMR before 8.3.0 Broken Access Control via portal_payment.php

CVSS Score

7.1

EPSS Score

0.0%

EPSS Percentile

0th

OpenEMR before 8.3.0 contains a broken access control vulnerability in portal/portal_payment.php that allows low-privilege authenticated users to bypass billing ACL checks by tampering patient identifiers. Attackers can modify the pid and form_pid parameters to view payment pages and record fraudulent payment receipts for arbitrary patients, corrupting billing records.

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 high 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:L/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

High

Availability

None

Affected Versions

openemr / openemr

0 < 8.3.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openemr/openemr/security/advisories/GHSA-j2cx-3p5q-ppx5 vulncheck.com: https://www.vulncheck.com/advisories/openemr-before-8.3.0-broken-access-control-via-portal-payment-php

Credits

Chid0k j3ss1k4 kojiromike