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