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ATR-2026-00134mediumSkill Compromiseexperimental

Fork Claim and Community Package Impersonation

Detects skill/package impersonation through fork claims and community-variant naming. Unlike ATR-2026-060 (typosquatting detection), this catches packages that claim to be "community forks", "enhanced versions", or "unofficial alternatives" of known tools. Also detects abstracted permission descriptions that obscure dangerous capabilities behind benign language ("required capabilities: internet, storage" instead of "needs network + filesystem access"). Discovered via Autoresearch v0 (94% miss on fork_claim, 97% on abstracted_permissions, 97% on original_naming).

Severity
medium
Category
Skill Compromise
Scan Target
skill
Author
ATR Community

Response Actions

alertreduce permissions

References

OWASP Agentic
ASI04:2026 - Agentic Supply Chain Vulnerabilities