CVE-2026-126467

MEDIUMCVSS 6.5/10

Last modified

CVE-2026-126467 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. OpenEMR before 8.5.0 contains a mass assignment vulnerability in ObservationController::processEnhancedFormSave() that allows authenticated low-privilege users to forge authorization flags through an incomplete field blacklist. Attackers can submit authorized=1 or override the id field alongside observation_id to mark observations as Provider-signed and overwrite clinical fields of other observations within the same patient encounter..

Description

OpenEMR before 8.5.0 contains a mass assignment vulnerability in ObservationController::processEnhancedFormSave() that allows authenticated low-privilege users to forge authorization flags through an incomplete field blacklist. Attackers can submit authorized=1 or override the id field alongside observation_id to mark observations as Provider-signed and overwrite clinical fields of other observations within the same patient encounter.

Metrics

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-2026-126467?
OpenEMR before 8.5.0 contains a mass assignment vulnerability in ObservationController::processEnhancedFormSave() that allows authenticated low-privilege users to forge authorization flags through an incomplete field blacklist. Attackers can submit authorized=1 or override the id field alongside observation_id to mark observations as Provider-signed and overwrite clinical fields of other observations within the same patient encounter.
How severe is CVE-2026-126467?
CVE-2026-126467 has a CVSS score of 6.5/10 (MEDIUM severity).
How do I fix CVE-2026-126467?
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