CVE-2026-67611 OpenEMR 8.2.0 OAuth2 Password Grant Authentication Bypass via SMART Configuration
Attackers with valid credentials can bypass multi-factor authentication by exploiting an exposed OAuth2 password grant flow in OpenEMR.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-67611?
CVE-2026-67611 is a high-severity authentication bypass vulnerability in Open-Emr Openemr, published on 3 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
OpenEMR through 8.2.0 contains an authentication bypass vulnerability that allows attackers with valid credentials to circumvent multi-factor authentication by exploiting the exposed OAuth2 password grant flow through an unauthenticated client registration endpoint. Attackers can register an OAuth2 client via the unauthenticated registration endpoint and use the password grant to exchange credentials for an API access token, bypassing the normal web interface authentication and any enforced multi-factor authentication controls.
Weakness: CWE-308
Which versions are affected by CVE-2026-67611?
It affects 1 product.
Products include Open-Emr Openemr.
How do I fix CVE-2026-67611?
No fix has been published for CVE-2026-67611 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-67611 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-67611 exists.
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- CVE-2022-2734 Improper Restriction of Rendered UI Layers or Frames in openemr/openemr
- CVE-2024-22611 SQL injection in n/a
Sources
Also known as GHSA-g6r6-jr7g-hg95.