CVE-2026-126461

MEDIUMCVSS 6.5/10

Last modified

CVE-2026-126461 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. OpenEMR before 8.5.0 contains a missing authorization vulnerability in library/ajax/user_settings.php that lets any authenticated user persist arbitrary global configuration overrides. Attackers can POST global:-prefixed keys to re-point external service hosts like CouchDB, eRx, phiMail, or SMTP to attacker-controlled servers, exfiltrating system credentials and patient PHI..

Description

OpenEMR before 8.5.0 contains a missing authorization vulnerability in library/ajax/user_settings.php that lets any authenticated user persist arbitrary global configuration overrides. Attackers can POST global:-prefixed keys to re-point external service hosts like CouchDB, eRx, phiMail, or SMTP to attacker-controlled servers, exfiltrating system credentials and patient PHI.

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-2026-126461?
OpenEMR before 8.5.0 contains a missing authorization vulnerability in library/ajax/user_settings.php that lets any authenticated user persist arbitrary global configuration overrides. Attackers can POST global:-prefixed keys to re-point external service hosts like CouchDB, eRx, phiMail, or SMTP to attacker-controlled servers, exfiltrating system credentials and patient PHI.
How severe is CVE-2026-126461?
CVE-2026-126461 has a CVSS score of 6.5/10 (MEDIUM severity).
How do I fix CVE-2026-126461?
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