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ATR-2026-00091criticalPrompt Injectiondraft

Advanced Structured Data Injection with Nested Payloads

Detects advanced structured data injection where malicious prompts are deeply nested within complex JSON objects, multi-level CSV structures, or encoded within data serialization formats. These attacks exploit parser differences between security scanners and the target LLM to smuggle payloads through schema validation layers.

Severity
critical
Category
Prompt Injection
Scan Target
mcp
Author
ATR Community (MiroFish Predicted)

Response Actions

block inputquarantine sessionalertescalatekill agent

References

MITRE ATLAS
AML.T0051