Vulnerability record
CVE-2026-126430
The short answer
CVE-2026-126430 affects openemr openemr and is rated high (CVSS 8.6). It is not in CISA's Known Exploited Vulnerabilities catalog.
What it is
OpenEMR before 8.5.0 contains an sql injection vulnerability that allows any authenticated core user to inject SQL by supplying crafted patient_data field names to the CCR revandapprove controller. Attackers can embed scalar subqueries in the UPDATE patient_data SET clause to read staff password hashes and portal reset values, alter arbitrary patient demographics, and take over patient-portal accounts.
Weakness: CWE-89.
Severity
8.6 high
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/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
Exploited (CISA KEV)
Not listed
CISA lists confirmed exploitation only
EPSS, next 30 days
No score
FIRST scores CVEs within a day of publication
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Attack requirements
- None
- Privileges required
- Low
- User interaction
- None
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- None
Affected products
openemr. NVD's record lists the exact affected versions.
References
Questions
Is CVE-2026-126430 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog as of 2026-11-13.
How do I fix CVE-2026-126430?
Follow the vendor advisory in the references below. NVD lists the affected versions under its configurations.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Awaiting Analysis. The description is NVD's text, quoted as published.
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