🛡️ CVE-2026-67610

🟠 CVSS 8.1 — High ✅ No Known Exploit CWE-306 NVD
8.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability none.

Weakness class

CVE-2026-67610 is classified as CWE-306: Missing Authentication for Critical Function. A sensitive function can be reached without authenticating at all.

Affected software

CVE-2026-67610 is recorded against 1 package.

  • unknown

Timeline and source

Published on 3 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

jivasecurity.com
www.vulncheck.com

Details

Severity HIGH
CVSS Score 8.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CWE CWE-306
Public Exploit ✅ No
Source NVD
Published 2026-08-03
Updated 2026-08-11
Modified 2026-08-03
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

Similar Threats

Site Security Check

Is the affected software part of your stack?

CVE-2026-67610 is rated CVSS 8.1 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.

Scan My Site Free →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

Browse related advisories

All advisoriesCVECVE 2026