{
  "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"
    }
  ],
  "incident": {
    "id": "cve-2026-115557",
    "url": "https://cveboard.org/i/cve-2026-115557",
    "urlPt": "https://cveboard.org/pt/i/cve-2026-115557",
    "json": "https://cveboard.org/i/cve-2026-115557.json",
    "kind": "vuln",
    "live": true,
    "knownExploited": false,
    "severity": "critical",
    "title": "Python Software Foundation CPython",
    "summary": "",
    "titlePt": null,
    "summaryPt": null,
    "affected": [
      {
        "vendor": "Python Software Foundation",
        "product": "CPython",
        "defaultStatus": "unaffected",
        "versions": [
          {
            "version": "0",
            "status": "affected",
            "lessThan": null,
            "lessThanOrEqual": "3.16.0"
          }
        ],
        "omitted": 0,
        "fixed": []
      }
    ],
    "omitted": 0,
    "references": [
      {
        "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/FNAJMZV6XQYLVPABNINDMF3VF66AYLW4/",
        "tag": "vendor-advisory"
      },
      {
        "url": "https://github.com/python/cpython/pull/160042",
        "tag": "patch"
      }
    ],
    "cwes": [
      {
        "id": "CWE-299",
        "name": "Improper check for certificate revocation"
      }
    ],
    "ssvc": null,
    "fix": "none",
    "tags": [
      "python-software-foundation"
    ],
    "cves": [
      "CVE-2026-115557"
    ],
    "ghsa": null,
    "cvss": {
      "score": 9.4,
      "version": "4.0",
      "by": "PSF"
    },
    "epss": null,
    "packages": [],
    "vendor": "Python Software Foundation",
    "product": "CPython",
    "kev": null,
    "breach": null,
    "retracted": false,
    "sources": [
      {
        "label": "cve.now",
        "url": "https://cve.now/CVE-2026-115557"
      }
    ],
    "cveVersion": 1,
    "cvePending": false,
    "publishedAt": "2026-10-24T14:15:14.283Z",
    "updatedAt": "2026-10-24T14:15:14.283Z"
  },
  "live": true,
  "events": [
    {
      "id": "cvenow:CVE-2026-115557:cvenow_discovered:first",
      "incidentId": "cve-2026-115557",
      "type": "cvenow_discovered",
      "at": "2026-10-24T14:15:14.283Z",
      "detail": {}
    }
  ]
}