{
  "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-2025-55177",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-55177",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-08-29T15:50:28.578Z",
    "updatedAt": "2026-10-07T17:57:35.015Z",
    "importedAt": "2026-10-24T01:57:39.058Z",
    "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": null,
      "summary": "Incomplete authorization of linked device synchronization messages in WhatsApp for iOS prior to v2.25.21.73, WhatsApp Business for iOS v2.25.21.78, and WhatsApp for Mac v2.25.21.78 could have allowed an unrelated user to trigger processing of content from an arbitrary URL on a target’s device. We assess that this vulnerability, in combination with an OS-level vulnerability on Apple platforms (CVE-2025-43300), may have been exploited in a sophisticated attack against specific targeted users.",
      "affected": [
        {
          "vendor": "Facebook",
          "product": "WhatsApp Desktop for Mac",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "2.22.25.2",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "2.25.21.78"
            }
          ]
        },
        {
          "vendor": "Facebook",
          "product": "WhatsApp Business for iOS",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "2.22.25.2",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "2.25.21.78"
            }
          ]
        },
        {
          "vendor": "Facebook",
          "product": "WhatsApp for iOS",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "2.22.25.2",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "2.25.21.73"
            }
          ]
        }
      ]
    }
  }
}