Vulnerability record/PUBLISHED/Published Nov 13, 2026 09:35:33 UTC

CVE-2026-126420

OpenEMR before 8.5.0 contains a missing authorization vulnerability in the FaxSMS module's utility.php that allows read-only demographics users to create patient charts. Attackers can submit the form_create request with chosen identity fields to create fictitious or duplicate patients with employer, history, and insurance records.

Base score6.0/ 10

SeverityMediumCVSS 4.0

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityMedium

Attack vectorNetworkAV

Attack complexityLowAC

Attack requirementsPresentAT

Privileges requiredLowPR

User interactionNoneUI

Vulnerable system confidentialityNoneVC

Vulnerable system integrityHighVI

Vulnerable system availabilityLowVA

Subsequent system confidentialityNoneSC

Subsequent system integrityNoneSI

Subsequent system availabilityNoneSA

CVSS vector stringCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering AuthorityVulnCheck

Last updatedNov 13, 2026 19:31:47 UTC

PublishedNov 13, 2026 09:35:33 UTC

ReservedNov 10, 2026 21:36:07 UTC

Credits

farisv