TC-2026-0054 · PYPI · MCP

[email protected]

Malicious PyPI package targeting Microsoft AutoGen and MCP users; overrides setup.py install command to exfiltrate AZURE_OPENAI_API_KEY and ~/.azure/accessTokens.json.

Primary advisory (Checkmarx Zero / Socket) Back to all 66 records

Signed ledger verdict

TC-2026-0054
Known bad (exit 2) pypi:autogen-mcp-tools==0.1.2

IOC & scope: pypi:autogen-mcp-tools==0.1.2. Verified by human review and signed into the CC-BY 4.0 OSV v1.6.0 feed.

Credited finder
Checkmarx Zero / Socket ↗
Recorded timestamp
2026-03-11
Canonical SHA-256
be11a261bf07af85…
Local hook action
Block (exit 2)
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: ~/.azure/accessTokens.json, .env
  2. 2. Environment
    Variables harvested: AZURE_OPENAI_API_KEY, OPENAI_API_KEY
  3. 3. Network
    Outbound egress domains: autogen-telemetry.invalid:443
  4. 4. Subprocess
    Process execution primitives: setup.py cmdclass install
  5. 5. Lifecycle
    Install / startup hooks: setup.py_install
  6. 6. OAuth / MCP
    Declared scopes: None observed
  7. 7. Obfuscation
    Encoding / steganography: None observed
  8. 8. Provenance
    Attestation status: typosquat_pypi_package

Governance & detector mapping

  1. OWASP Agentic ASI (2026): ASI03 (Identity & Privilege Abuse), ASI04 (Agentic Supply Chain Vulnerabilities)
  2. OWASP Agentic AST (2026): AST01 (Malicious MCP Servers), AST03 (Insecure Credential Handling)
  3. Deterministic rules matched: RULE_04_INSTALL_LIFECYCLE_HOOK, RULE_05_PROMPT_EXFIL_SHELL

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 "pypi:autogen-mcp-tools==0.1.2"
[threat.cafe] known_bad: pypi:autogen-mcp-tools==0.1.2 (TC-2026-0054)
  Reason: Malicious PyPI package targeting Microsoft AutoGen and MCP users; overrides setup.py insta
  Source: https://socket.dev/blog (credited to Checkmarx Zero / Socket)

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-2026-0054",
  "modified": "2026-03-11T10:15:00Z",
  "published": "2026-03-11T10:15:00Z",
  "summary": "Malicious PyPI package targeting Microsoft AutoGen and MCP users; overrides setup.py install command to exfiltrate AZURE_OPENAI_API_KEY and ~/.azure/accessTokens.json.",
  "affected": [
    {
      "package": {
        "ecosystem": "pypi",
        "name": "autogen-mcp-tools"
      },
      "versions": [
        "0.1.2"
      ]
    }
  ],
  "credits": [
    {
      "name": "Checkmarx Zero / Socket",
      "type": "FINDER"
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://socket.dev/blog"
    },
    {
      "type": "WEB",
      "url": "https://threat.cafe/incidents/tc-2026-0054/"
    }
  ],
  "database_specific": {
    "target": "pypi:autogen-mcp-tools==0.1.2",
    "kind": "mcp",
    "verdict": "known_bad",
    "ioc": "pypi:autogen-mcp-tools==0.1.2",
    "artifact_sha256": "be11a261bf07af85bf38b2a108fd7b140158df7da9fbbc618ab732ac8ea3e329",
    "owasp_asi": [
      "ASI03",
      "ASI04"
    ],
    "owasp_ast": [
      "AST01",
      "AST03"
    ],
    "rules_matched": [
      "RULE_04_INSTALL_LIFECYCLE_HOOK",
      "RULE_05_PROMPT_EXFIL_SHELL"
    ],
    "abom": {
      "fs_sensitive": [
        "~/.azure/accessTokens.json",
        ".env"
      ],
      "env_harvest": [
        "AZURE_OPENAI_API_KEY",
        "OPENAI_API_KEY"
      ],
      "net_egress": [
        "autogen-telemetry.invalid:443"
      ],
      "proc_exec": [
        "setup.py cmdclass install"
      ],
      "install_hooks": [
        "setup.py_install"
      ],
      "oauth_scopes": [],
      "obfuscation": [],
      "provenance": "typosquat_pypi_package"
    },
    "license": "CC-BY-4.0",
    "record_digest": "sha256:c32cf782a63e816117b71f83e6ce299b869aaba242b34f257965e3d1c9e7e113",
    "release_signature_url": "https://threat.cafe/feed.json.sig"
  }
}

Have additional IOCs or a maintainer remediation update for TC-2026-0054?

Maintainer disputes and version-scoping updates are reviewed by a human within our 48-hour dispute SLA.

Submit update or dispute Read 48h dispute policy