{
  "fix": "RHSA-2026:93618",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-93618",
  "summary": "RHSA-2026:93618, released September 23, 2026, fixes 11 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 3 packages",
  "released": "2026-09-23T12:31:53Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-76183, rated Critical",
  "supported": true,
  "cveCount": 11,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.02718,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:93618",
  "appliesTo": [
    {
      "product": "jws7-mod_cluster",
      "productUrl": "https://patchblox.com/security/product/linux/jws7-mod-cluster",
      "release": "RHEL 10",
      "fixedVersion": "2.1.1-1.Final_redhat_00001.1.el10jws",
      "supported": true
    },
    {
      "product": "jws7-tomcat",
      "productUrl": "https://patchblox.com/security/product/linux/jws7-tomcat",
      "release": "RHEL 10",
      "fixedVersion": "11.0.21-10.redhat_00010.1.el10jws",
      "supported": true
    },
    {
      "product": "jws7-tomcat-native",
      "productUrl": "https://patchblox.com/security/product/linux/jws7-tomcat-native",
      "release": "RHEL 10",
      "fixedVersion": "1.3.7-4.redhat_4.el10jws",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-76183",
      "url": "https://patchblox.com/security/cve/CVE-2026-76183",
      "title": "tomcat9: Authentication Bypass by Alternate Name vulnerability in Apache Tomcat allowed the security constraints for any WebSo...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00566,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-86248",
      "url": "https://patchblox.com/security/cve/CVE-2026-86248",
      "title": "tomcat9: CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in A...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00496,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-86350",
      "url": "https://patchblox.com/security/cve/CVE-2026-86350",
      "title": "tomcat9: Inconsistent interpretation of HTTP/2 requests (\u0027HTTP Request/Response smuggling\u0027) vulnerability in Apache Tomcat cau...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.1,
      "epss": 0.00483,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-86246",
      "url": "https://patchblox.com/security/cve/CVE-2026-86246",
      "title": "tomcat-native: Initialization of a resource with an insecure default vulnerability in Apache Tomcat Native enabled insecure options...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.1,
      "epss": 0.00347,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-77791",
      "url": "https://patchblox.com/security/cve/CVE-2026-77791",
      "title": "tomcat9: Uncontrolled Resource Consumption vulnerability in Apache Tomcat during sending of WebSocket close message enabled a...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00679,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-86243",
      "url": "https://patchblox.com/security/cve/CVE-2026-86243",
      "title": "tomcat-native: Buffer over-read vulnerability in Apache Tomcat Native during the TLS handshake permits a malicious user to trigger a...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00564,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-78383",
      "url": "https://patchblox.com/security/cve/CVE-2026-78383",
      "title": "tomcat9: Allocation of resources without limits or throttling vulnerability in Apache Tomcat allows an unauthenticated AJP req...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.005,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-79677",
      "url": "https://patchblox.com/security/cve/CVE-2026-79677",
      "title": "tomcat9: Missing release of resource after effective lifetime, Comparison using wrong factors vulnerability in Apache Tomcat a...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00422,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-86247",
      "url": "https://patchblox.com/security/cve/CVE-2026-86247",
      "title": "tomcat-native: Race condition within a thread vulnerability in Apache Tomcat Native allowed client certificate verification requirem...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.4,
      "epss": 0.00202,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-76166",
      "url": "https://patchblox.com/security/cve/CVE-2026-76166",
      "title": "jws7-mod_cluster: A flaw was found in mod_cluster\u0027s AdvertiseListenerImpl (org.jboss.modcluster core module)",
      "priority": "Routine",
      "severity": "moderate",
      "cvss": 4.3,
      "epss": 0.02718,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-73581",
      "url": "https://patchblox.com/security/cve/CVE-2026-73581",
      "title": "tomcat10: Improper Check for Certificate Revocation vulnerability in Apache Tomcat",
      "priority": "Routine",
      "severity": "medium",
      "cvss": 6.5,
      "epss": 0.00159,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}