TC-2026-0011 · NPM · PACKAGE

[email protected]

Backported 0.x branch of the March 31, 2026 axios maintainer account compromise pulling [email protected] RAT.

Signed ledger verdict

TC-2026-0011
Known bad (exit 2) npm:[email protected]

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

Credited finder
StepSecurity ↗
Recorded timestamp
2026-03-31
Canonical SHA-256
82bc07b406032213…
Local hook action
Block (exit 2)
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: ~/.ssh/id_rsa, ~/.aws/credentials
  2. 2. Environment
    Variables harvested: NPM_TOKEN, GITHUB_TOKEN
  3. 3. Network
    Outbound egress domains: plain-crypto-js-c2.invalid:443
  4. 4. Subprocess
    Process execution primitives: node postinstall.js
  5. 5. Lifecycle
    Install / startup hooks: postinstall
  6. 6. OAuth / MCP
    Declared scopes: None observed
  7. 7. Obfuscation
    Encoding / steganography: None observed
  8. 8. Provenance
    Attestation status: hijacked_maintainer_no_slsa

Governance & detector mapping

  1. OWASP Agentic ASI (2026): ASI02 (Tool Misuse & Exploitation), 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_06_RELEASE_AGE_GATE

Version scoping & related records

Local CLI verification

$ threat-cafe-hook check "npm:[email protected]"
[threat.cafe] known_bad: npm:[email protected] (TC-2026-0011)
  Reason: Backported 0.x branch of the March 31, 2026 axios maintainer account compromise pulling pl
  Source: https://www.stepsecurity.io/blog/axios-compromised-on-npm-malicious-versions-drop-remote-access-trojan (credited to StepSecurity)

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-2026-0011",
  "modified": "2026-03-31T08:20:00Z",
  "published": "2026-03-31T08:20:00Z",
  "summary": "Backported 0.x branch of the March 31, 2026 axios maintainer account compromise pulling [email protected] RAT.",
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "axios"
      },
      "versions": [
        "0.30.4"
      ]
    }
  ],
  "credits": [
    {
      "name": "StepSecurity",
      "type": "FINDER"
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.stepsecurity.io/blog/axios-compromised-on-npm-malicious-versions-drop-remote-access-trojan"
    },
    {
      "type": "WEB",
      "url": "https://threat.cafe/incidents/tc-2026-0011/"
    }
  ],
  "database_specific": {
    "target": "npm:[email protected]",
    "kind": "package",
    "verdict": "known_bad",
    "ioc": "npm:[email protected] -> [email protected]",
    "artifact_sha256": "82bc07b4060322137f885ed7262fafb4a56013521e166fc68d74bd976aa6c644",
    "owasp_asi": [
      "ASI02",
      "ASI04"
    ],
    "owasp_ast": [
      "AST01",
      "AST03"
    ],
    "rules_matched": [
      "RULE_04_INSTALL_LIFECYCLE_HOOK",
      "RULE_06_RELEASE_AGE_GATE"
    ],
    "abom": {
      "fs_sensitive": [
        "~/.ssh/id_rsa",
        "~/.aws/credentials"
      ],
      "env_harvest": [
        "NPM_TOKEN",
        "GITHUB_TOKEN"
      ],
      "net_egress": [
        "plain-crypto-js-c2.invalid:443"
      ],
      "proc_exec": [
        "node postinstall.js"
      ],
      "install_hooks": [
        "postinstall"
      ],
      "oauth_scopes": [],
      "obfuscation": [],
      "provenance": "hijacked_maintainer_no_slsa"
    },
    "license": "CC-BY-4.0",
    "record_digest": "sha256:978b3a816c293345b8c9d32dbcb8fa57896136be5739ca20a80f15c47acbf457",
    "release_signature_url": "https://threat.cafe/feed.json.sig"
  }
}

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