Is there a public exploit for CVE-2026-126419?

No public exploit for CVE-2026-126419 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-126419?

CVE-2026-126419 scores CVSS 5.3 (v4.0), rated medium.

What does CVE-2026-126419 affect?

CVE-2026-126419 affects OpenEMR OpenEMR.

5.3 Medium

OpenEMR before 8.5.0 contains a missing authorization vulnerability in the esignformsubmit handler of library/ESign/Form/Controller.php…

CVE-2026-126419

OpenEMR before 8.5.0 contains a missing authorization vulnerability in the esignformsubmit handler of library/ESign/Form/Controller.php that verifies only the caller's password, not access to the patient, encounter, or form type. Authenticated core users can supply arbitrary formId, formDir, and encounterId values to sign and lock any patient's clinical form, creating unauthorized approval records and blocking normal editing.

Assessment

CVSS: 5.3 (v4.0)
Severity: Medium
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 13 November 2026
Last updated: 13 November 2026
Affected: OpenEMR · OpenEMR
Assigner: VulnCheck

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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