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CVE-2026-126466

HIGHCVSS 8.8/10

Last modified

CVE-2026-126466 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. OpenEMR before 8.5.0 contains a missing authorization vulnerability that allows any authenticated user to create patient records and enumerate patients by omitting aclCheckCore() checks. Attackers can POST to new_comprehensive_save.php to create patients with insurance PHI, or query new_search_popup.php and patient_select.php to leak names, SSNs and DOBs..

Description

OpenEMR before 8.5.0 contains a missing authorization vulnerability that allows any authenticated user to create patient records and enumerate patients by omitting aclCheckCore() checks. Attackers can POST to new_comprehensive_save.php to create patients with insurance PHI, or query new_search_popup.php and patient_select.php to leak names, SSNs and DOBs.

Metrics

CVSS 3.1
8.8/10

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

CVSS 4.0
8.7/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
openemropenemr< 8.5.0

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-126466?
OpenEMR before 8.5.0 contains a missing authorization vulnerability that allows any authenticated user to create patient records and enumerate patients by omitting aclCheckCore() checks. Attackers can POST to new_comprehensive_save.php to create patients with insurance PHI, or query new_search_popup.php and patient_select.php to leak names, SSNs and DOBs.
How severe is CVE-2026-126466?
CVE-2026-126466 has a CVSS score of 8.8/10 (HIGH severity).
How do I fix CVE-2026-126466?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST