CVE-2026-126448

EUVD-2026-124986
OpenEMR before 8.5.0 contains a missing authorization vulnerability that allows authenticated users lacking nationnotes/nn_configure to modify shared Nation Notes templates by calling mutation endpoints directly. Attackers can send requests to ajax_code.php or add_context.php, which lack ACL and CSRF checks, to tamper with clinical-note templates and assignments.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 18.48%
Common Weakness Enumeration
References
https://github.com/openemr/openemr/security/advisories/GHSA-m4cw-vx96-p6fj
https://www.vulncheck.com/advisories/openemr-before-8.5.0-missing-authorization-in-nation-notes-configuration-handlers
https://github.com/openemr/openemr/security/advisories/GHSA-m4cw-vx96-p6fj