Hidden Prompt Injection Targeted Brazilian Labor Court AI Galileu

# Hidden Prompt Injection Targeted Brazilian Labor Court AI Galileu

https://gcdradar.vercel.app/incidents/hidden-prompt-injection-targeted-brazilian-labor-court-ai-ga · AIR-2026-0397 · closed 2026-05-27

- Lane: Patch now
- Severity: 3 (Confirmed exploitation)
- Fix status: Fix status unknown
- First reported: 2026-05-13
- AI role: Attack on AI
- Products: Galieu

## Summary

A Brazilian labor court AI tool detected and blocked hidden instructions embedded within a legal petition attempting to alter its processing behavior. The judge reviewed the material and prevented any malicious procedural outcomes.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-05-13: Hidden Prompt Injection in Brazilian Labor-Court Petition Reportedly Tried to Manipulate Galileu (https://incidentdatabase.ai/cite/1497)

## Sources

- 2026-05-13 AI Incident Database: Hidden Prompt Injection in Brazilian Labor-Court Petition Reportedly Tried to Manipulate Galileu https://incidentdatabase.ai/cite/1497

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.