{
  "fix": "rabbitmq-server 3.6.10-1ubuntu0.5\u002Besm1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-rabbitmq-server-3.6.10-1ubuntu0.5-esm1",
  "summary": "rabbitmq-server 3.6.10-1ubuntu0.5\u002Besm1, released October 19, 2026, fixes 12 CVEs in rabbitmq-server. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "rabbitmq-server 3.6.10-1ubuntu0.5\u002Besm1 for Ubuntu 18.04.6 LTS (bionic)",
  "released": "2026-10-19T16:27:57Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-67404, rated Critical",
  "supported": false,
  "cveCount": 12,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00452,
  "maxCvss": 9.3,
  "appliesTo": [
    {
      "product": "rabbitmq-server",
      "productUrl": "https://patchblox.com/security/product/linux/rabbitmq-server",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.6.10-1ubuntu0.5\u002Besm1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-67404",
      "url": "https://patchblox.com/security/cve/CVE-2026-67404",
      "title": "RabbitMQ: OAuth2 silent verify_none fallback for JWKS fetch",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7.4,
      "epss": 0.002,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-67237",
      "url": "https://patchblox.com/security/cve/CVE-2026-67237",
      "title": "rabbitmq-server: RabbitMQ is a messaging and streaming broker",
      "priority": "High",
      "severity": "Medium",
      "cvss": 9.3,
      "epss": 0.00452,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-67232",
      "url": "https://patchblox.com/security/cve/CVE-2026-67232",
      "title": "RabbitMQ: Web-MQTT decompression bomb",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00394,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-66070",
      "url": "https://patchblox.com/security/cve/CVE-2026-66070",
      "title": "RabbitMQ: CORS * reflects Origin with Allow-Credentials",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00372,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-66079",
      "url": "https://patchblox.com/security/cve/CVE-2026-66079",
      "title": "RabbitMQ: Pre-auth AMQP 1.0 array32 zero-width element DoS",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00318,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-67231",
      "url": "https://patchblox.com/security/cve/CVE-2026-67231",
      "title": "RabbitMQ: Trust-store whitelist by Issuer\u002BSerial only",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00228,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-67409",
      "url": "https://patchblox.com/security/cve/CVE-2026-67409",
      "title": "RabbitMQ: JWKS Fetch Ignores HTTP Response Status Code - Signing Key Destruction Causes Authentication DoS",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.00418,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-67238",
      "url": "https://patchblox.com/security/cve/CVE-2026-67238",
      "title": "rabbitmq-server: RabbitMQ is a messaging and streaming broker",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.5,
      "epss": 0.00385,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-67235",
      "url": "https://patchblox.com/security/cve/CVE-2026-67235",
      "title": "RabbitMQ: AMQP 0-9-1 body assembly never validates accumulated size",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.5,
      "epss": 0.00302,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-67236",
      "url": "https://patchblox.com/security/cve/CVE-2026-67236",
      "title": "rabbitmq-server: RabbitMQ is a messaging and streaming broker",
      "priority": "Routine",
      "severity": "Medium",
      "cvss": 6.5,
      "epss": 0.00166,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-67239",
      "url": "https://patchblox.com/security/cve/CVE-2026-67239",
      "title": "RabbitMQ: Stored XSS via TLS peer-certificate DN in stream-management UI",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.4,
      "epss": 0.00154,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-66077",
      "url": "https://patchblox.com/security/cve/CVE-2026-66077",
      "title": "RabbitMQ: Stored XSS via TLS peer-certificate DN in management UI",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.1,
      "epss": 0.00151,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-12T13:55:20Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}