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.

Indicators of Compromise (1)

CVE (1)
CVE-2026-67610
Source Attribution

Originally published by NIST NVD on Aug 3, 2026. Verified by: NIST.

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