{
  "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-2026-4374",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-4374",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-04-01T01:06:40.064Z",
    "updatedAt": "2026-09-22T17:50:11.203Z",
    "importedAt": "2026-10-24T01:58:14.884Z",
    "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": "Improper Restriction of XML External Entity Reference vulnerability in RTI Connext Professional (Recording Service,Routing Service,Queueing Service,Cloud Discovery Service,Observability Collector) allows Serialized Data External Linking, Data Serializat...",
      "summary": "Improper Restriction of XML External Entity Reference vulnerability in RTI Connext Professional (Recording Service,Routing Service,Queueing Service,Cloud Discovery Service,Observability Collector) allows Serialized Data External Linking, Data Serialization External Entities Blowup. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.1, from 6.1.0 before 6.1.2.34, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*.",
      "affected": [
        {
          "vendor": "RTI",
          "product": "Connext Professional",
          "packageName": "connext_professional",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "7.4.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "7.7.0"
            },
            {
              "version": "7.0.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "7.3.1.1"
            },
            {
              "version": "6.1.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "6.1.2.34"
            },
            {
              "version": "6.0.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "6.0.*"
            },
            {
              "version": "5.3.0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "5.3.*"
            }
          ]
        }
      ]
    }
  }
}