HIGHVulnerability
Verified
Global
NVD HIGH: CVE-2026-67610 — OpenEMR through 8.2.0 contains an improper authentication vulnerability in the O...
·Source: NIST NVD
Updated:
Executive Summary
OpenEMR through 8.2.0 contains an improper authentication vulnerability in the OAuth2 dynamic client registration endpoint that allows unauthenticated attackers to register a malicious client with system-level FHIR scopes by supplying a self-generated RSA keypair via the jwks field. Once an administrator approves the registered client, attackers can use the client_credentials grant with a self-sig
Analysis
OpenEMR through 8.2.0 contains an improper authentication vulnerability in the OAuth2 dynamic client registration endpoint that allows unauthenticated attackers to register a malicious client with system-level FHIR scopes by supplying a self-generated RSA keypair via the jwks field. Once an administrator approves the registered client, attackers can use the client_credentials grant with a self-signed JWT assertion to obtain access tokens granting read access to all FHIR resources across all patients in the system. CVSS Score: 8.1. Published: 2026-08-03T17:16:43.703.