ATR-2026-00141criticalContext Exfiltrationexperimental
API Key Leakage via Example Format
Detects attempts to leak API keys by providing example formats with real key prefixes, hoping the agent fills in actual values. Crystallized from 31 adversarial samples (0% prior detection).
Severity
critical
Category
Context Exfiltration
Scan Target
mcp
Author
ATR Threat Cloud Crystallization
Response Actions
alertblock outputsnapshot
References
OWASP Agentic
ASI08 - Data Leakage
OWASP LLM
LLM02:2025 - Sensitive Information Disclosure
More Context Exfiltration Rules
ATR-2026-00020highSystem Prompt and Internal Instruction LeakageATR-2026-00021criticalCredential and Secret Exposure in Agent OutputATR-2026-00075highAgent Memory ManipulationATR-2026-00102highData Exfiltration via Disguised Analytics CollectionATR-2026-00113criticalCredential File Theft from Agent Environment