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CVE-2026-58208 NATS Server: MQTT-over-WebSocket Path Can Crash WebSocket-Only JetStream Servers Before MQTT Is Enabled

🗓️ 08 Jul 2026 20:17:39Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 1 Views

Web Socket could route MQTT requests to uninitialized MQTT state, crashing the server; fixed in two point fourteen point three and two point twelve point twelve.

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11 Jul 2026 04:04Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.16.8
EPSS0.00593
1