CVE-2026-126461

MEDIUM 6.5

OpenEMR before 8.5.0 Missing Authorization via user_settings.php Global Override

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-918
Vendor	openemr
Product	openemr
Published	Nov 13, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

openemr / openemr

0 < 8.5.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openemr/openemr/security/advisories/GHSA-prmv-3m3j-9v7j vulncheck.com: https://www.vulncheck.com/advisories/openemr-before-8.5.0-missing-authorization-via-user-settings-php-global-override

Credits

🔍 Nora-Qiu