{
  "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-2026-87785",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-87785",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-14T10:38:12.389Z",
    "updatedAt": "2026-09-14T19:45:29.921Z",
    "importedAt": "2026-10-24T01:58:35.090Z",
    "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 Syncope: JWT subject spoofing",
      "summary": "Authentication bypass by spoofing vulnerability in Apache Syncope.\n\n\n\nWhen the configured JWKS settings for internal JWT authentication are disclosed (at least protocol and key), an attacker can spoof another user's privileges after completing a successful authentication and obtaining a valid JWT.\n\nThis issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 through 4.0.7, from 4.1.0-M0 through 4.1.2.\n\n\n\nUsers are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.",
      "affected": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache Syncope",
          "packageName": "org.apache.syncope.core:syncope-core-spring",
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "3.0.0-M0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "3.0.16"
            },
            {
              "version": "4.0.0-M0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "4.0.7"
            },
            {
              "version": "4.1.0-M0",
              "status": "affected",
              "versionType": "semver",
              "lessThanOrEqual": "4.1.2"
            }
          ]
        }
      ]
    }
  }
}