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CVE-2026-25164

Open-emr Openemr broken access control

8.1 HIGHPublic exploitEPSS 0.27%
  1. Published25 Feb 2026

Description

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0, the REST API route table in `apis/routes/_rest_routes_standard.inc.php` does not call `RestConfig::request_authorization_check()` for the document and insurance routes. Other patient routes in the same file (e.g. encounters, patients/med) call it with the appropriate ACL. As a result, any valid API bearer token can access or modify every patient's documents and insurance data, regardless of the token’s OpenEMR ACLs—effectively exposing all document and insurance PHI to any authenticated API client. Version 8.0.0 patches the issue.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected products

Open-emr Openemr< 8.0.0

Remediation

Fixed in
Open-emr Openemr≥ 8.0.0

References

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Frequently asked

Is CVE-2026-25164 being actively exploited?

CVE-2026-25164 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.27%.

How severe is CVE-2026-25164?

CVE-2026-25164 has a CVSS 3.1 base score of 8.1, rated high. EPSS estimates a 0.27% probability of exploitation.

Which products are affected by CVE-2026-25164?

Affected products include Open-emr Openemr.

How do I fix CVE-2026-25164?

Upgrade affected software to a fixed version, for example Open-emr Openemr 8.0.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-25164 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.