CVE-2026-126448
OpenEMR before 8.5.0 Missing Authorization in Nation Notes Configuration Handlers
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| openemr openemr |
≥ 0; < 8.5.0 (affected, semver) 8.5.0 (unaffected, semver) Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 5.3 medium |
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 4.3 medium |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N | CNA: VulnCheck |
| 4.0 / 5.3 medium |
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/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 | NVD: [email protected] |
| 3.1 / 4.3 medium |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N | NVD: [email protected] |
Exploit evidence
- https://github.com/openemr/openemr/security/advisories/GHSA-m4cw-vx96-p6fj
exploit · ADP: CISA-ADP
References
- https://github.com/openemr/openemr/security/advisories/GHSA-m4cw-vx96-p6fjCNA: VulnCheck · vendor-advisory
- https://www.vulncheck.com/advisories/openemr-before-8.5.0-missing-authorization-in-nation-notes-configuration-handlersCNA: VulnCheck · third-party-advisory
- https://github.com/openemr/openemr/security/advisories/GHSA-m4cw-vx96-p6fjADP: CISA-ADP · exploit
- https://github.com/openemr/openemr/security/advisories/GHSA-m4cw-vx96-p6fj[email protected]
- https://www.vulncheck.com/advisories/openemr-before-8.5.0-missing-authorization-in-nation-notes-configuration-handlers[email protected]
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