VulnSocial

CVE-2026-67610Disclosure

LOWCVSS 8.6 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-306

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-08-04: 1Technical Details · 2026-08-04: 108-04
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
Full discourse1 post
  • Cyber Threat Observatory | Alan Turing Institute@TuringCyberObs
    Disclosure

    CVE-2026-67610 OpenEMR Improper OAuth2 client registration could allow malicious clients to access FHIR resources after approval in affected healthcare deployments Full analysis: https://github.com/alan-turing-institute/cyber-threat-observatory/blob/main/reports/2026-08-03/TIER_2_CVE-2026-67610.md #CyberSecurity #HealthcareCybersecurity #VulnerabilityManagement

    Post summary

    This post announces CVE‑2026‑67610, describing how improper OAuth2 client registration in OpenEMR can give malicious clients access to FHIR resources after approval, and points to a full analysis report.

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    59 followersView on X

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