CVE-2026-25164Public exploitNetwork attack vector

Cross-patient data access via omitted ACL checks

Published Feb 25, 2026 · Updated Feb 25, 2026

Missing authorization in OpenEMR before 8.0.0 allows remote authenticated users to read and modify other patients' records via REST. The document and insurance routes in apis/routes/_rest_routes_standard.inc.php invoke controllers without RestConfig::request_authorization_check(), so token ACLs are never enforced. Exploitation requires an enabled REST API and a valid bearer token; affected clients can expose patient documents and insurance data or alter documents and insurance assignments.

CVSS severity8.1
High
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in OpenEMR before 8.0.0 allows remote authenticated users to read and modify other patients' records via REST. The document and insurance routes in apis/routes/_rest_routes_standard.inc.php invoke controllers without RestConfig::request_authorization_check(), so token ACLs are never enforced. Exploitation requires an enabled REST API and a valid bearer token; affected clients can expose patient documents and insurance data or alter documents and insurance assignments.

The record

CVE
CVE-2026-25164
Published
Feb 25, 2026
Updated
Feb 25, 2026
Vendor
OpenEMR Foundation
Product
OpenEMR
Classifications
CWE-862, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 25, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 8.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

OpenEMR Foundation · OpenEMRversion=< 8.0.0

Published CVSS scores

8.1GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-862Missing Authorization
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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