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CVE-2026-58213 NATS Server: MQTT SUBSCRIBE Protocol Injection via Leaf Node/Route Forwarding allows arbitrary NATS command injection

🗓️ 08 Jul 2026 19:52:12Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 40 Views

MQTT subscribe protocol injection in NATS Server via leaf node or route forwarding enables arbitrary NATS commands; fixed in version 2.14.1 and 2.12.9.

Related
Affected
Refs
[
  {
    "vendor": "nats-io",
    "product": "nats-server",
    "versions": [
      {
        "version": "< 2.12.9",
        "status": "affected"
      },
      {
        "version": ">= 2.14.0-RC.1, < 2.14.1",
        "status": "affected"
      }
    ]
  }
]

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