TC-2026-0106 · NPM · MCP

@modelcontextprotocol/[email protected]

Official reference MCP filesystem server. Enforces directory allowlist passed via CLI arguments; contains no network egress or install hooks.

Primary advisory (threat.cafe Baseline Audit) Back to all 66 records

Signed ledger verdict

TC-2026-0106
No known bad (exit 0) npm:@modelcontextprotocol/[email protected]

IOC & scope: npm:@modelcontextprotocol/[email protected]. Verified by human review and signed into the CC-BY 4.0 OSV v1.6.0 feed.

Credited finder
threat.cafe Baseline Audit ↗
Recorded timestamp
2026-01-15
Canonical SHA-256
e40b9b6ddc886fb1…
Local hook action
Proceed & log (exit 0)
Run live in Counter Workbench

Signed in /feed.json (.sig).

01 8-Vector Capability X-Ray (ABOM) & OWASP Agentic Crosswalk

Deterministic capability profile and taxonomy mapping.

Every artifact in the threat.cafe ledger is profiled across eight execution vectors and mapped to the OWASP Top 10 for Agentic Applications (ASI01-ASI10) and Agentic Skills & Tools (AST01-AST10).

8-Vector Capability X-Ray (ABOM)

  1. 1. Filesystem
    Sensitive paths touched: explicitly passed CLI allowlist directories only
  2. 2. Environment
    Variables harvested: None observed
  3. 3. Network
    Outbound egress domains: None observed
  4. 4. Subprocess
    Process execution primitives: None observed
  5. 5. Lifecycle
    Install / startup hooks: None observed
  6. 6. OAuth / MCP
    Declared scopes: None observed
  7. 7. Obfuscation
    Encoding / steganography: None observed
  8. 8. Provenance
    Attestation status: verified_official_mcp_org

Governance & detector mapping

  1. OWASP Agentic ASI (2026): None triggered (baseline control)
  2. OWASP Agentic AST (2026): None triggered (baseline control)
  3. Deterministic rules matched: Clean baseline control (0 static rules triggered)

Version scoping & related records

  • No other versions of this package are currently listed on the board. Unlisted versions evaluate to unknown under local policy.yml.

Local CLI verification

$ threat-cafe-hook check "npm:@modelcontextprotocol/[email protected]"
[threat.cafe] no_known_bad: npm:@modelcontextprotocol/[email protected] (TC-2026-0106)
  Reason: Official reference MCP filesystem server. Enforces directory allowlist passed via CLI argu
  Source: https://github.com/modelcontextprotocol/servers (credited to threat.cafe Baseline Audit)

OSV v1.6.0 machine-readable record

Included in /feed.json under CC-BY 4.0 license and verified by /feed.json.sig.

{
  "schema_version": "1.6.0",
  "id": "TC-2026-0106",
  "modified": "2026-01-15T10:00:00Z",
  "published": "2026-01-15T10:00:00Z",
  "summary": "Official reference MCP filesystem server. Enforces directory allowlist passed via CLI arguments; contains no network egress or install hooks.",
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "@modelcontextprotocol/server-filesystem"
      },
      "versions": [
        "2026.1.14"
      ]
    }
  ],
  "credits": [
    {
      "name": "threat.cafe Baseline Audit",
      "type": "FINDER"
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/modelcontextprotocol/servers"
    },
    {
      "type": "WEB",
      "url": "https://threat.cafe/incidents/tc-2026-0106/"
    }
  ],
  "database_specific": {
    "target": "npm:@modelcontextprotocol/[email protected]",
    "kind": "mcp",
    "verdict": "no_known_bad",
    "ioc": "npm:@modelcontextprotocol/[email protected]",
    "artifact_sha256": "e40b9b6ddc886fb18579fcc3ea19dfb6bc9260b3ea9ab568fa8b30a83ff6895f",
    "owasp_asi": [],
    "owasp_ast": [],
    "rules_matched": [],
    "abom": {
      "fs_sensitive": [
        "explicitly passed CLI allowlist directories only"
      ],
      "env_harvest": [],
      "net_egress": [],
      "proc_exec": [],
      "install_hooks": [],
      "oauth_scopes": [],
      "obfuscation": [],
      "provenance": "verified_official_mcp_org"
    },
    "license": "CC-BY-4.0",
    "record_digest": "sha256:d69e72a641d991eabdc7b29160342271ff089c48af6d6ada267007b5b4c8dbd0",
    "release_signature_url": "https://threat.cafe/feed.json.sig"
  }
}

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