CVE-2026-126444

OpenEMR before 8.5.0 Missing Authorization in Ensora eRx via eRx.php

Published Nov 13, 2026 CVSS 4.0 · 6 Medium EPSS < 1% KEV · Not listed

Description

OpenEMR before 8.5.0 contains a missing authorization vulnerability in the Ensora eRx integration that allows authenticated staff without patients/rx permission to access prescription data by directly requesting eRx.php. Attackers can expose selected patients' demographic, medication, and allergy data in the vendor XML and trigger eRx synchronization state changes.

Analysis

No analysis available yet

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

openemr

unaffected

Version	Status	Constraints
`0`	affected	< 8.5.0
`8.5.0`	unaffected	—

No data.

No data available yet.

Remediation

No remediation available yet

Tracking

Advisories

No advisories available

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.273% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/openemr/openemr/security/advisories/GHSA-mcr3-5rq6-9vvj
https://www.vulncheck.com/advisories/openemr-before-8.5.0-missing-authorization-in-ensora-erx-via-erx-php

History

Nov 13, 2026 9:45 AM Description updated. Title updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		OpenEMR before 8.5.0 contains a missing authorization vulnerability in the Ensora eRx integration that allows authenticated staff without patients/rx permission to access prescription data by directly requesting eRx.php. Attackers can expose selected patients' demographic, medication, and allergy data in the vendor XML and trigger eRx synchronization state changes.
Title		OpenEMR before 8.5.0 Missing Authorization in Ensora eRx via eRx.php
First Time appeared		Open-emr Open-emr openemr
Weaknesses		CWE-862
CPEs		cpe:2.3:a:open-emr:openemr::::::::
Vendors & Products		Open-emr Open-emr openemr
References		https://github.com/openemr/openemr/security/advisories/GHSA-mcr3-5rq6-9vvj https://www.vulncheck.com/advisories/openemr-before-8.5.0-missing-authorization-in-ensora-erx-via-erx-php
Metrics		cvssV3_1 `{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N'}` cvssV4_0 `{'score': 6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N'}`