CVE-2026-25147

Summary

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0, in portal/portal_payment.php, the patient id used for the page is taken from the request ($pid = $_REQUEST['pid'] ?? $pid and $pid = ($_REQUEST['hidden_patient_code'] ?? null) > 0 ? $_REQUEST['hidden_patient_code'] : $pid) instead of being fixed to the authenticated portal user. The portal session already has a valid $pid for the logged-in patient. Overwriting it with user-supplied values and using it without authorization allows a portal user to view and interact with another patient's demographics, invoices, and payment history—horizontal privilege escalation and IDOR. Version 8.0.0 contains a fix for the issue.

Affected Software

Weaknesses

• CWE-639: CWE-639: Authorization Bypass Through User-Controlled Key

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/openemr/openemr/security/advisories/GHSA-mwmw-qxv3-8whh
• https://github.com/openemr/openemr/commit/d6ab3cd0b621b19b942cf49d2db2026e288aa214

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