MEDIUM 6.9 NVD
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 registe
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.
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-
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-11-08 via NVD.
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