CVE-2026-124466

7.2 HIGHpublic exploit available

Published 2026-11-08 · Updated 2026-11-10

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

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 jwks_uri. Attackers can trigger the fetch via the token introspection endpoint with an unsigned client_assertion to probe internal services and reach cloud metadata endpoints.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Weaknesses

CWE-918

Public exploit & PoC references

https://github.com/openemr/openemr/security/advisories/GHSA-mf6h-xc62-9fg4
https://github.com/openemr/openemr/security/advisories/GHSA-mf6h-xc62-9fg4

All references

https://github.com/openemr/openemr/security/advisories/GHSA-mf6h-xc62-9fg4
https://www.vulncheck.com/advisories/openemr-before-8.4.0-unauthenticated-ssrf-via-oauth2-client-jwks-uri
https://github.com/openemr/openemr/security/advisories/GHSA-mf6h-xc62-9fg4

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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