{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-24734",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-24734",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-02-17T18:53:12.228Z",
    "updatedAt": "2026-07-15T13:48:07.714Z",
    "importedAt": "2026-10-24T01:58:02.025Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "Apache Tomcat Native, Apache Tomcat: OCSP revocation bypass",
      "summary": "Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat.\n\nWhen using an OCSP responder, Tomcat Native (and Tomcat's FFM port of the Tomcat Native code) did not complete verification or freshness checks on the OCSP response which could allow certificate revocation to be bypassed.\n\nThis issue affects Apache Tomcat Native:  from 1.3.0 through 1.3.4, from 2.0.0 through 2.0.11; Apache Tomcat: from 11.0.0-M1 through 11.0.17, from 10.1.0-M7 through 10.1.51, from 9.0.83 through 9.0.114.\n\n\nThe following versions were EOL at the time the CVE was created but are \nknown to be affected: from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39. Older EOL versions are not affected.\n\nApache Tomcat Native users are recommended to upgrade to versions 1.3.5 or later or 2.0.12 or later, which fix the issue.\n\nApache Tomcat users are recommended to upgrade to versions 11.0.18 or later, 10.1.52 or later or 9.0.115 or later which fix the issue.",
      "affected": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Tomcat Native",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1.1.23",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "1.1.34"
            },
            {
              "version": "1.2.0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "1.2.39"
            },
            {
              "version": "1.3.0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "1.3.4"
            },
            {
              "version": "2.0.0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "2.0.11"
            }
          ]
        },
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Tomcat",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "11.0.0-M1",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "11.0.17"
            },
            {
              "version": "10.1.0-M7",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "10.1.51"
            },
            {
              "version": "9.0.83",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "9.0.114"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "8.5.100"
            }
          ]
        }
      ]
    }
  }
}