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Tribunal Regional do Trabalho da 4ª Região AI failures

Every documented AI failure involving Tribunal Regional do Trabalho da 4ª Região on the AI Failure Index, classified by the mechanism that broke.

Failures
1
Highest severity
Low
Span
2026
Failure modes
1
By failure mode
By severity
FI-0578Legal ServicesLow
Prompt Injection

Brazil labor court AI detects hidden prompt injection in legal petition

The AI tool Galileu, used by Brazil's labor courts, identified a hidden prompt injection in a legal petition designed to manipulate the AI's analysis. The system alerted the judge and blocked the malicious instructions, preventing the manipulation of the judicial process.

Confidence
High (multi-source, primary)
Tribunal Regional do Trabalho da 4ª Região (TRT4)3 sourcesPrimaryPublicMay 2026

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