{
  "cveId": "CVE-2026-86247",
  "url": "https://patchblox.com/security/cve/CVE-2026-86247",
  "summary": "CVE-2026-86247 is fixed in 11 products on 1 platform, first by RHSA-2026:93618, released September 23, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "tomcat-native: Race condition within a thread vulnerability in Apache Tomcat Native allowed client certificate verification requirem...",
  "description": "Race condition within a thread vulnerability in Apache Tomcat Native allowed client certificate verification requirements to be down-graded for some configurations.    This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Unsupported versions may also be affected.    Users are recommended to upgrade to version 2.0.16 or 1.3.9, which fixes the issue.",
  "published": "2026-09-23T12:31:53Z",
  "severity": "high",
  "cvss": 7.4,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
  "epss": 0.00202,
  "epssPercentile": 0.10164,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "jws7-mod_cluster",
      "release": "RHEL 10",
      "fixedVersion": "2.1.1-1.Final_redhat_00001.1.el10jws",
      "fix": "RHSA-2026:93618",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-93618",
      "released": "2026-09-23T12:31:53Z"
    },
    {
      "platform": "linux",
      "product": "jws7-tomcat",
      "release": "RHEL 10",
      "fixedVersion": "11.0.21-10.redhat_00010.1.el10jws",
      "fix": "RHSA-2026:93618",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-93618",
      "released": "2026-09-23T12:31:53Z"
    },
    {
      "platform": "linux",
      "product": "jws7-tomcat-native",
      "release": "RHEL 10",
      "fixedVersion": "1.3.7-4.redhat_4.el10jws",
      "fix": "RHSA-2026:93618",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-93618",
      "released": "2026-09-23T12:31:53Z"
    },
    {
      "platform": "linux",
      "product": "libtcnative-1-0",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.3.9-160000.1.1",
      "fix": "OPENSUSE-SU-2026:21984-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21984-1",
      "released": "2026-09-30T17:58:26Z"
    },
    {
      "platform": "linux",
      "product": "libtcnative-1-0",
      "release": "sles 15.6",
      "fixedVersion": "1.3.9-150600.16.9.2",
      "fix": "SUSE-SU-2026:4544-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4544-1",
      "released": "2026-10-06T10:01:18Z"
    },
    {
      "platform": "linux",
      "product": "libtcnative-1-0",
      "release": "sles 15.7",
      "fixedVersion": "1.3.9-150600.16.9.2",
      "fix": "SUSE-SU-2026:4544-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4544-1",
      "released": "2026-10-06T10:01:18Z"
    },
    {
      "platform": "linux",
      "product": "libtcnative-1-0",
      "release": "sles 16.0",
      "fixedVersion": "1.3.9-160000.1.1",
      "fix": "SUSE-SU-2026:23985-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23985-1",
      "released": "2026-09-30T17:49:13Z"
    },
    {
      "platform": "linux",
      "product": "libtcnative-2-0",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "2.0.16-160000.1.1",
      "fix": "OPENSUSE-SU-2026:21984-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21984-1",
      "released": "2026-09-30T17:58:26Z"
    },
    {
      "platform": "linux",
      "product": "libtcnative-2-0",
      "release": "sles 15.6",
      "fixedVersion": "2.0.16-150400.9.6.1",
      "fix": "SUSE-SU-2026:4658-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4658-1",
      "released": "2026-11-07T00:43:02Z"
    },
    {
      "platform": "linux",
      "product": "libtcnative-2-0",
      "release": "sles 15.7",
      "fixedVersion": "2.0.16-150400.9.6.1",
      "fix": "SUSE-SU-2026:4658-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4658-1",
      "released": "2026-11-07T00:43:02Z"
    },
    {
      "platform": "linux",
      "product": "libtcnative-2-0",
      "release": "sles 16.0",
      "fixedVersion": "2.0.16-160000.1.1",
      "fix": "SUSE-SU-2026:23985-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23985-1",
      "released": "2026-09-30T17:49:13Z"
    },
    {
      "platform": "linux",
      "product": "tomcat",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "9.0.122-160000.1.1",
      "fix": "OPENSUSE-SU-2026:21984-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21984-1",
      "released": "2026-09-30T17:58:26Z"
    },
    {
      "platform": "linux",
      "product": "tomcat",
      "release": "sles 15.6",
      "fixedVersion": "9.0.122-150200.123.2",
      "fix": "SUSE-SU-2026:4546-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4546-1",
      "released": "2026-10-06T10:05:09Z"
    },
    {
      "platform": "linux",
      "product": "tomcat",
      "release": "sles 15.7",
      "fixedVersion": "9.0.122-150200.123.2",
      "fix": "SUSE-SU-2026:4546-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4546-1",
      "released": "2026-10-06T10:05:09Z"
    },
    {
      "platform": "linux",
      "product": "tomcat",
      "release": "sles 16.0",
      "fixedVersion": "9.0.122-160000.1.1",
      "fix": "SUSE-SU-2026:23985-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23985-1",
      "released": "2026-09-30T17:49:13Z"
    },
    {
      "platform": "linux",
      "product": "tomcat-native",
      "release": "Debian 14",
      "fixedVersion": "2.0.16-1",
      "fix": "DEBIAN-CVE-2026-86247",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-86247",
      "released": "2026-09-24T19:30:44Z"
    },
    {
      "platform": "linux",
      "product": "tomcat-native",
      "release": "amzn 2023",
      "fixedVersion": "2.0.16-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-3167",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3167",
      "released": "2026-11-07T01:07:25Z"
    },
    {
      "platform": "linux",
      "product": "tomcat-native-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "2.0.16-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-3167",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3167",
      "released": "2026-11-07T01:07:25Z"
    },
    {
      "platform": "linux",
      "product": "tomcat-native-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "2.0.16-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-3167",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3167",
      "released": "2026-11-07T01:07:25Z"
    },
    {
      "platform": "linux",
      "product": "tomcat10",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "10.1.60-160000.1.1",
      "fix": "OPENSUSE-SU-2026:21984-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21984-1",
      "released": "2026-09-30T17:58:26Z"
    },
    {
      "platform": "linux",
      "product": "tomcat10",
      "release": "sles 15.6",
      "fixedVersion": "10.1.60-150200.5.82.2",
      "fix": "SUSE-SU-2026:4546-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4546-1",
      "released": "2026-10-06T10:05:09Z"
    },
    {
      "platform": "linux",
      "product": "tomcat10",
      "release": "sles 15.7",
      "fixedVersion": "10.1.60-150200.5.82.2",
      "fix": "SUSE-SU-2026:4546-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4546-1",
      "released": "2026-10-06T10:05:09Z"
    },
    {
      "platform": "linux",
      "product": "tomcat10",
      "release": "sles 16.0",
      "fixedVersion": "10.1.60-160000.1.1",
      "fix": "SUSE-SU-2026:23985-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23985-1",
      "released": "2026-09-30T17:49:13Z"
    },
    {
      "platform": "linux",
      "product": "tomcat11",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "11.0.26-160000.1.1",
      "fix": "OPENSUSE-SU-2026:21984-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21984-1",
      "released": "2026-09-30T17:58:26Z"
    },
    {
      "platform": "linux",
      "product": "tomcat11",
      "release": "sles 15.6",
      "fixedVersion": "11.0.26-150600.13.36.2",
      "fix": "SUSE-SU-2026:4544-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4544-1",
      "released": "2026-10-06T10:01:18Z"
    },
    {
      "platform": "linux",
      "product": "tomcat11",
      "release": "sles 15.7",
      "fixedVersion": "11.0.26-150600.13.36.2",
      "fix": "SUSE-SU-2026:4544-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4544-1",
      "released": "2026-10-06T10:01:18Z"
    },
    {
      "platform": "linux",
      "product": "tomcat11",
      "release": "sles 16.0",
      "fixedVersion": "11.0.26-160000.1.1",
      "fix": "SUSE-SU-2026:23985-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23985-1",
      "released": "2026-09-30T17:49:13Z"
    }
  ],
  "noFixYet": [],
  "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"
  }
}