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CVE-2026-66079

🗓️ 23 Sep 2026 20:01:15Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 47 Views🌐 WEB

Unauthenticated DoS in RabbitMQ <3.13.15, 4.0.20, 4.1.11, 4.2.6 via heap exhaustion.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
OR
broadcomrabbitmq_serverRange3.13.0–3.13.15
broadcomrabbitmq_serverRange4.0.0–4.0.20
broadcomrabbitmq_serverRange4.1.0–4.1.11
broadcomrabbitmq_serverRange4.2.0–4.2.6
[
  {
    "vendor": "rabbitmq",
    "product": "rabbitmq-server",
    "versions": [
      {
        "version": ">= 3.13.0, < 3.13.15",
        "status": "affected"
      },
      {
        "version": ">= 4.0.0, < 4.0.20",
        "status": "affected"
      },
      {
        "version": ">= 4.1.0, < 4.1.11",
        "status": "affected"
      },
      {
        "version": ">= 4.2.0, < 4.2.6",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
SASL-mechanismsrequest body/An unauthenticated attacker can crash a RabbitMQ node by sending a specially crafted AMQP 1.0 SASL-init frame with a large Count field, leading to heap memory exhaustion.CWE-770
SASL-initrequest body/An unauthenticated attacker can crash a RabbitMQ node by sending a specially crafted AMQP 1.0 SASL-init frame with a large Count field, leading to heap memory exhaustion.CWE-770

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19 Oct 2026 20:36Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
CVSS 48.2
EPSS0.00318
SSVC
47