{
  "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-2026-20184",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-20184",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-04-15T16:03:59.646Z",
    "updatedAt": "2026-04-16T19:07:14.461Z",
    "importedAt": "2026-10-24T01:57:55.771Z",
    "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": "Cisco Webex Meetings Certificate Validation Vulnerability",
      "summary": "A vulnerability in the integration of single sign-on (SSO) with Control Hub in Cisco Webex Services could have allowed an unauthenticated, remote attacker to impersonate any user within the service.\r\n\r\nThis vulnerability existed because of improper certificate validation. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by connecting to a service endpoint and supplying a crafted token. A successful exploit could have allowed the attacker to gain unauthorized access to legitimate Cisco Webex services.",
      "affected": [
        {
          "vendor": "Cisco",
          "product": "Cisco Webex Meetings",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "39.7.7",
              "status": "affected"
            },
            {
              "version": "39.9",
              "status": "affected"
            },
            {
              "version": "40.4.10",
              "status": "affected"
            },
            {
              "version": "39.6",
              "status": "affected"
            },
            {
              "version": "40.6.2",
              "status": "affected"
            },
            {
              "version": "39.8.2",
              "status": "affected"
            },
            {
              "version": "39.8.4",
              "status": "affected"
            },
            {
              "version": "40.1",
              "status": "affected"
            },
            {
              "version": "39.11",
              "status": "affected"
            },
            {
              "version": "39.7.4",
              "status": "affected"
            },
            {
              "version": "39.9.1",
              "status": "affected"
            },
            {
              "version": "40.4",
              "status": "affected"
            },
            {
              "version": "40.6",
              "status": "affected"
            },
            {
              "version": "39.7",
              "status": "affected"
            },
            {
              "version": "39.8",
              "status": "affected"
            },
            {
              "version": "39.8.3",
              "status": "affected"
            },
            {
              "version": "40.2",
              "status": "affected"
            },
            {
              "version": "39.10",
              "status": "affected"
            },
            {
              "version": "42.6",
              "status": "affected"
            },
            {
              "version": "42.7",
              "status": "affected"
            },
            {
              "version": "42.8",
              "status": "affected"
            },
            {
              "version": "42.9",
              "status": "affected"
            },
            {
              "version": "42.10",
              "status": "affected"
            },
            {
              "version": "42.11",
              "status": "affected"
            },
            {
              "version": "42.12",
              "status": "affected"
            },
            {
              "version": "43.1",
              "status": "affected"
            },
            {
              "version": "43.2",
              "status": "affected"
            },
            {
              "version": "43.3",
              "status": "affected"
            },
            {
              "version": "43.4",
              "status": "affected"
            },
            {
              "version": "43.4.1",
              "status": "affected"
            },
            {
              "version": "43.4.2",
              "status": "affected"
            },
            {
              "version": "43.5.0",
              "status": "affected"
            },
            {
              "version": "43.6.0",
              "status": "affected"
            },
            {
              "version": "43.6.1",
              "status": "affected"
            },
            {
              "version": "43.7",
              "status": "affected"
            },
            {
              "version": "43.8",
              "status": "affected"
            },
            {
              "version": "43.9",
              "status": "affected"
            },
            {
              "version": "43.10",
              "status": "affected"
            },
            {
              "version": "43.11",
              "status": "affected"
            },
            {
              "version": "43.12",
              "status": "affected"
            },
            {
              "version": "44.1",
              "status": "affected"
            },
            {
              "version": "44.2",
              "status": "affected"
            },
            {
              "version": "44.3",
              "status": "affected"
            },
            {
              "version": "44.4",
              "status": "affected"
            },
            {
              "version": "44.5",
              "status": "affected"
            },
            {
              "version": "44.6",
              "status": "affected"
            },
            {
              "version": "44.7",
              "status": "affected"
            },
            {
              "version": "44.8",
              "status": "affected"
            },
            {
              "version": "44.9",
              "status": "affected"
            },
            {
              "version": "44.10",
              "status": "affected"
            },
            {
              "version": "44.11",
              "status": "affected"
            },
            {
              "version": "44.12",
              "status": "affected"
            },
            {
              "version": "45.1",
              "status": "affected"
            },
            {
              "version": "45.2",
              "status": "affected"
            },
            {
              "version": "45.3",
              "status": "affected"
            },
            {
              "version": "45.4",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}