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ATR-2026-00096criticalTool Poisoningdraft

Skill Registry Poisoning and Compromised Tool Distribution

Detects supply chain attacks that target skill/tool registries and distribution channels. Attackers compromise legitimate tool packages, inject backdoors into published skills, or create typosquatting tool names to distribute poisoned tools that execute malicious actions when installed or invoked by agents.

Severity
critical
Category
Tool Poisoning
Scan Target
mcp
Author
ATR Community (MiroFish Predicted)

Response Actions

block inputquarantine sessionalertescalatekill agent

References

MITRE ATLAS
AML.T0056