{
  "schemaVersion": 1,
  "site": "https://cveboard.org",
  "generatedAt": "2026-10-23T21:07:41.776Z",
  "lastRun": "2026-10-23T21:01:12.729Z",
  "liveDays": 14,
  "filters": {
    "kind": null,
    "exploited": false,
    "severity": null,
    "ecosystems": [],
    "tag": "anthropics"
  },
  "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"
    }
  ],
  "incidents": [
    {
      "id": "cve-2026-96620",
      "url": "https://cveboard.org/i/cve-2026-96620",
      "urlPt": "https://cveboard.org/pt/i/cve-2026-96620",
      "json": "https://cveboard.org/i/cve-2026-96620.json",
      "kind": "vuln",
      "live": true,
      "knownExploited": false,
      "severity": "critical",
      "title": "Claude Agent SDK: Argument Injection via resume Option Allows Arbitrary Command Execution",
      "summary": "The Claude Agent SDK for Python passed the resume option to the Claude CLI without validation, allowing a value beginning with - to be interpreted as a separate CLI flag. An attacker who controlled the resume value could inject an --mcp-config flag defining a stdio MCP server, resulting in arbitrary command execution at CLI startup that bypassed the SDK's permission controls.",
      "titlePt": "Claude Agent SDK: Injeção de argumento via opção resume permite execução arbitrária de comandos",
      "summaryPt": "O SDK do Claude Agent para Python passou a opção resume para o CLI do Claude sem validação, permitindo que um valor iniciado com - fosse interpretado como uma flag CLI separada. Um atacante que controlasse o valor do resume poderia injetar uma flag --mcp-config definindo um servidor MCP stdio, resultando na execução arbitrária de comandos no início do CLI que contornava os controles de permissão do SDK.",
      "affected": [],
      "omitted": 0,
      "references": [],
      "cwes": [
        {
          "id": "CWE-20",
          "name": "Improper Input Validation"
        },
        {
          "id": "CWE-78",
          "name": "Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"
        },
        {
          "id": "CWE-88",
          "name": "Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')"
        }
      ],
      "ssvc": {
        "exploitation": "none",
        "automatable": "yes",
        "impact": "total",
        "at": "2026-10-21T21:28:15.538Z"
      },
      "fix": "listed",
      "tags": [
        "anthropics",
        "pip"
      ],
      "cves": [
        "CVE-2026-96620"
      ],
      "ghsa": "GHSA-h4mw-j7qp-8mwm",
      "cvss": {
        "score": 9.2,
        "version": "4.0",
        "by": "GitHub"
      },
      "epss": {
        "percentage": 0.00578,
        "percentile": 0.46871,
        "asOf": "2026-10-23",
        "by": "FIRST"
      },
      "packages": [
        {
          "ecosystem": "pip",
          "name": "claude-agent-sdk",
          "vulnerable": "< 0.2.121",
          "fixed": "0.2.121",
          "advisory": "GHSA-h4mw-j7qp-8mwm"
        }
      ],
      "vendor": "anthropics",
      "product": "claude-agent-sdk-python",
      "kev": null,
      "breach": null,
      "retracted": false,
      "sources": [
        {
          "label": "GitHub Advisory Database",
          "url": "https://github.com/advisories/GHSA-h4mw-j7qp-8mwm"
        }
      ],
      "cvePending": true,
      "publishedAt": "2026-10-16T19:44:37.000Z",
      "updatedAt": "2026-10-16T19:44:37.000Z"
    }
  ],
  "tag": {
    "tag": "anthropics",
    "name": "anthropics",
    "kev": null
  }
}