CVE-2026-126473 OpenEMR before 8.4.0 OAuth Authorization Bypass via Scope Canonicalization

OpenEMR before 8.4.0 contains OAuth scope canonicalization and containment flaws that allow unauthenticated attackers to obtain unapproved system-level FHIR access. Attackers can register a colon-form system:Patient.read client that bypasses approval, then request unregistered system/Patient.writ...

CVE-2026-126473 OpenEMR before 8.4.0 OAuth Authorization Bypass via Scope Canonicalization

OpenEMR before 8.4.0 contains OAuth scope canonicalization and containment flaws that allow unauthenticated attackers to obtain unapproved system-level FHIR access. Attackers can register a colon-form system:Patient.read client that bypasses approval, then request unregistered system/Patient.writ...

CVE-2026-126473

OpenEMR versions prior to 8.4.0 are vulnerable to an OAuth authorization bypass caused by scope canonicalization and containment flaws. This allows unauthenticated attackers to bypass approval processes by registering a colon-form client (e.g., system:Patient.read). Once registered, attackers can...

CVE-2026-67610

OpenEMR 8.2.0 is affected by an improper authentication vulnerability in the OAuth2 dynamic client registration endpoint. Attackers can unauthenticatedly register a malicious client by supplying a self-generated RSA keypair in the jwks field, leveraging system-level FHIR scopes. After an administ...

CVE-2026-67610 OpenEMR 8.2.0 OAuth2 Dynamic Client Registration Unauthorized FHIR Access

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...

CVE-2026-67610

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...