{
  "fix": "FEDORA-2026-548235EA3B",
  "url": "https://patchblox.com/security/fix/linux/fedora-2026-548235ea3b",
  "summary": "FEDORA-2026-548235EA3B, released July 30, 2026, fixes 6 CVEs in rabbitmq-server (version 4.0.9-5.fc43). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "rabbitmq-server security update",
  "released": "2026-07-30T15:25:28Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-57219, high severity",
  "supported": true,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.02837,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-548235ea3b",
  "appliesTo": [
    {
      "product": "rabbitmq-server",
      "productUrl": "https://patchblox.com/security/product/linux/rabbitmq-server",
      "release": "Fedora 43",
      "fixedVersion": "4.0.9-5.fc43",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-57219",
      "url": "https://patchblox.com/security/cve/CVE-2026-57219",
      "title": "RabbitMQ: Unauthenticated disclosure of OAuth client credentials via an HTTP API endpoint with certain less common OAuth 2 configurations",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.02837,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-57212",
      "url": "https://patchblox.com/security/cve/CVE-2026-57212",
      "title": "rabbitmq-server: RabbitMQ is a messaging and streaming broker",
      "priority": "High",
      "severity": "high",
      "cvss": 7.7,
      "epss": 0.00433,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-57215",
      "url": "https://patchblox.com/security/cve/CVE-2026-57215",
      "title": "RabbitMQ: Direct-reply-to binding persistence can lead to unauthorized reply-channel injection and persistent phantom",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00382,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-57221",
      "url": "https://patchblox.com/security/cve/CVE-2026-57221",
      "title": "rabbitmq-server: RabbitMQ is a messaging and streaming broker",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 5,
      "epss": 0.0041,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-57213",
      "url": "https://patchblox.com/security/cve/CVE-2026-57213",
      "title": "RabbitMQ: Stored XSS federation management plugin via unsanitized consumer_tag rendering",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 4.8,
      "epss": 0.00252,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-44839",
      "url": "https://patchblox.com/security/cve/CVE-2026-44839",
      "title": "RabbitMQ: Unsanitized vhost names allow for XSS in management UI",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 4.8,
      "epss": 0.0018,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}