{
  "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-2026-77366",
    "url": "https://cveboard.org/i/cve-2026-77366",
    "urlPt": "https://cveboard.org/pt/i/cve-2026-77366",
    "json": "https://cveboard.org/i/cve-2026-77366.json",
    "kind": "vuln",
    "live": true,
    "knownExploited": false,
    "severity": "critical",
    "title": "obsidian-tc tokens can access arbitrary configured vaults",
    "summary": "Tool dispatch did not check the caller-supplied input.vault against the caller's bound vault (ctx.vaultId); the folder ACL was a single global instance and the JWT carried no vault claim. As a result, any valid token could read, write, or delete any configured vault by passing input.vault, defeating multi-tenant isolation across ~90 tool sites.",
    "titlePt": "tokens do obsidian-tc podem acessar vaults configurados arbitrários",
    "summaryPt": "A chamada de ferramenta não verificou a entrada.vault fornecida pelo chamador contra o vault vinculado do chamador (ctx.vaultId); o ACL da pasta era uma única instância global e o JWT não carregava nenhuma reivindicação de vault. Como resultado, qualquer token válido poderia ler, escrever ou excluir qualquer vault configurado passando input.vault, derrotando o isolamento multi-inquilino em ~90 sites de ferramentas.",
    "affected": [],
    "omitted": 0,
    "references": [],
    "cwes": [
      {
        "id": "CWE-639",
        "name": "Authorization Bypass Through User-Controlled Key"
      },
      {
        "id": "CWE-863",
        "name": "Incorrect Authorization"
      }
    ],
    "ssvc": {
      "exploitation": "none",
      "automatable": "no",
      "impact": "total",
      "at": "2026-10-13T15:14:24.356Z"
    },
    "fix": "listed",
    "tags": [
      "the-40-thieves",
      "npm"
    ],
    "cves": [
      "CVE-2026-77366"
    ],
    "ghsa": "GHSA-84c9-qqpq-2pq5",
    "cvss": {
      "score": 9.9,
      "version": "3.1",
      "by": "GitHub"
    },
    "epss": {
      "percentage": 0.00308,
      "percentile": 0.22442,
      "asOf": "2026-10-23",
      "by": "FIRST"
    },
    "packages": [
      {
        "ecosystem": "npm",
        "name": "obsidian-tc",
        "vulnerable": "< 1.3.1",
        "fixed": "1.3.1",
        "advisory": "GHSA-84c9-qqpq-2pq5"
      }
    ],
    "vendor": "The-40-Thieves",
    "product": "obsidian-tc",
    "kev": null,
    "breach": null,
    "retracted": false,
    "sources": [
      {
        "label": "GitHub Advisory Database",
        "url": "https://github.com/advisories/GHSA-84c9-qqpq-2pq5"
      }
    ],
    "cvePending": true,
    "publishedAt": "2026-10-23T17:29:17.000Z",
    "updatedAt": "2026-10-23T17:29:17.000Z"
  },
  "live": true,
  "events": [
    {
      "id": "ghsa:GHSA-84c9-qqpq-2pq5:ghsa_published:2026-10-23T17:29:17.000Z",
      "incidentId": "cve-2026-77366",
      "type": "ghsa_published",
      "at": "2026-10-23T17:29:17.000Z",
      "detail": {
        "ghsa": "GHSA-84c9-qqpq-2pq5",
        "severity": "critical",
        "fixed": "1.3.1"
      }
    }
  ]
}