CVE-2026-126438

MEDIUM 4.3

OpenEMR before 8.5.0 Improper Authorization in Clinical-Rule Editor patient_data.php

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

OpenEMR before 8.5.0 contains an improper authorization vulnerability in interface/patient_file/rules/patient_data.php that allows read-only patients/med users to modify clinical-rule records. Attackers can submit a global form_entryID row ID to overwrite completion date, state, and result, including records of patients outside their configured squad.

CWE	CWE-863
Vendor	openemr
Product	openemr
Published	Nov 13, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Affected Versions

openemr / openemr

0 < 8.5.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openemr/openemr/security/advisories/GHSA-xqq3-59h5-xhmr vulncheck.com: https://www.vulncheck.com/advisories/openemr-before-8.5.0-improper-authorization-in-clinical-rule-editor-patient-data-php

Credits

🔍 farisv