Is there a public exploit for CVE-2026-124466?

No public exploit for CVE-2026-124466 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-2026-124466?

CVE-2026-124466 scores CVSS 6.9 (v4.0), rated medium.

What does CVE-2026-124466 affect?

CVE-2026-124466 affects OpenEMR OpenEMR.

6.9 Medium

OpenEMR before 8.4.0 contains a server-side request forgery vulnerability that allows unauthenticated attackers to make the server send…

CVE-2026-124466

OpenEMR before 8.4.0 contains a server-side request forgery vulnerability that allows unauthenticated attackers to make the server send HTTP requests by registering an OAuth2 client with an unvalidated jwksuri. Attackers can trigger the fetch via the token introspection endpoint with an unsigned clientassertion to probe internal services and reach cloud metadata endpoints.

Assessment

CVSS: 6.9 (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: 8 November 2026
Last updated: 8 November 2026
Affected: OpenEMR · OpenEMR
Assigner: VulnCheck

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

At the source

EUVD (ENISA)

References

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