docs(research): replace unsourced "20% malicious skills" with cited empirical figures
The "~20% of ClawHub skills malicious" claim had no traceable source and is contradicted by the empirical literature. Replace with the Jan 2026 large-scale study (98,380-skill snapshot: 157 confirmed malicious, ~71% credential harvesters, exfiltration overwhelmingly naive) and add the arXiv citation. The corrected figures still support the supply-chain threat point and are defensible under scrutiny. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YcU7nerbg8cVj9R4EkpfLJ
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@@ -22,7 +22,7 @@ escapes**, and **whether credentials are short-lived and scoped**.
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- Outbound: Docker containers have full internet access by default; no egress monitoring on most home networks
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- Outbound: Docker containers have full internet access by default; no egress monitoring on most home networks
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- Lateral movement: compromised container can reach the LAN — NAS, other machines, internal services
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- Lateral movement: compromised container can reach the LAN — NAS, other machines, internal services
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- Notable: CVE-2025-59536 (CVSS 8.7, Feb 2026) — a poisoned `.claude/settings.json` in a repo gives RCE when Claude Code opens it. `--dangerously-skip-permissions` removes the last gate.
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- Notable: CVE-2025-59536 (CVSS 8.7, Feb 2026) — a poisoned `.claude/settings.json` in a repo gives RCE when Claude Code opens it. `--dangerously-skip-permissions` removes the last gate.
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- Supply chain: MCP servers, skills, and npm packages pulled during agent execution. ~20% of ClawHub skills were found malicious in early 2026.
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- Supply chain: MCP servers, skills, and npm packages pulled during agent execution. A Jan 2026 large-scale empirical study of a 98,380-skill snapshot confirmed 157 malicious skills, ~71% of them credential harvesters. Exfiltration was overwhelmingly naive — plaintext HTTP to hardcoded endpoints; under 10% used any code obfuscation, and concealment was mostly at the documentation level, not the code level. ([Malicious Agent Skills in the Wild](https://arxiv.org/html/2602.06547v1), arXiv:2602.06547)
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**What local topology protects:**
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**What local topology protects:**
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- No inbound attack surface — nothing listening on a public port
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- No inbound attack surface — nothing listening on a public port
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