Is there a public exploit for CVE-2026-124476?

No public exploit for CVE-2026-124476 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-2026-124476?

CVE-2026-124476 scores CVSS 7.1 (v4.0), rated high.

What does CVE-2026-124476 affect?

CVE-2026-124476 affects OpenEMR OpenEMR.

7.1 High

OpenEMR before 8.3.0 contains an insecure direct object reference in portal/lib/paylib.php, which writes the request-supplied formpid (or…

CVE-2026-124476

OpenEMR before 8.3.0 contains an insecure direct object reference in portal/lib/paylib.php, which writes the request-supplied formpid (or the patientidcc value in Sphere data) to onsiteportalactivity without checking it against the session patient. Authenticated portal patients can submit portal-save, review-save, AuthorizeNet, Stripe, or Sphere requests to insert or modify forged payment-audit records in other patients' billing records.

Assessment

CVSS: 7.1 (v4.0)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 8 November 2026
Last updated: 8 November 2026
Affected: OpenEMR · OpenEMR
Assigner: VulnCheck

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

At the source

EUVD (ENISA)

References

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