CVE-2026-124466
HIGH
NVD
CVSS Score
7.2
Severity
HIGH
Published
Nov 08, 2026
Vendor
unknown
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.