TC-2026-0117 · PYPI · PACKAGE

[email protected]

Malicious code in claudeopuseni (PyPI)

Primary advisory (Amazon Inspector) Back to all 66 records

Signed ledger verdict

TC-2026-0117
Known bad (exit 2) pypi:claudeopuseni==0.1.0

IOC & scope: pypi:claudeopuseni==0.1.0. Confirmed by OpenSSF malicious-packages (MAL-2026-18299) and signed into the CC-BY 4.0 OSV v1.6.0 feed.

Credited finder
Amazon Inspector ↗
Recorded timestamp
2026-10-26
Canonical SHA-256
230ed4e065ecc5d6…
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: None observed
  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: local_static_xray

Governance & detector mapping

  1. OWASP Agentic ASI (2026): ASI04 (Agentic Supply Chain Vulnerabilities)
  2. OWASP Agentic AST (2026): AST01 (Malicious MCP Servers)
  3. Deterministic rules matched: Clean baseline control (0 static rules triggered)

Version scoping & related records

Local CLI verification

$ threat-cafe-hook check "pypi:claudeopuseni==0.1.0"
[threat.cafe] known_bad: pypi:claudeopuseni==0.1.0 (TC-2026-0117)
  Reason: Malicious code in claudeopuseni (PyPI)
  Source: https://osv.dev/vulnerability/MAL-2026-18299 (credited to Amazon Inspector)

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-2026-0117",
  "modified": "2026-10-26T10:17:11Z",
  "published": "2026-10-26T10:17:11Z",
  "summary": "Malicious code in claudeopuseni (PyPI)",
  "affected": [
    {
      "package": {
        "ecosystem": "pypi",
        "name": "claudeopuseni"
      },
      "versions": [
        "0.1.0"
      ]
    }
  ],
  "credits": [
    {
      "name": "Amazon Inspector",
      "type": "FINDER"
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://osv.dev/vulnerability/MAL-2026-18299"
    },
    {
      "type": "WEB",
      "url": "https://threat.cafe/incidents/tc-2026-0117/"
    }
  ],
  "database_specific": {
    "target": "pypi:claudeopuseni==0.1.0",
    "kind": "package",
    "verdict": "known_bad",
    "ioc": "pypi:claudeopuseni==0.1.0",
    "artifact_sha256": "230ed4e065ecc5d617080814b842a3f3b9d5af5aca34afa27b8409d6ad3ec385",
    "owasp_asi": [
      "ASI04"
    ],
    "owasp_ast": [
      "AST01"
    ],
    "rules_matched": [],
    "abom": {
      "fs_sensitive": [],
      "env_harvest": [],
      "net_egress": [],
      "proc_exec": [],
      "install_hooks": [],
      "oauth_scopes": [],
      "obfuscation": [],
      "provenance": "local_static_xray"
    },
    "license": "CC-BY-4.0",
    "record_digest": "sha256:02c3c64d9909d457259f6afb46bd73be24bee531f5f4510f5546e7d226d4500a",
    "release_signature_url": "https://threat.cafe/feed.json.sig"
  }
}

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