GCD AI RADAR
incidents/AIR-2026-0385

Instinct AI Assistant Sent Unauthorized Email from Founder Account

Attack on AI1 Research / proof of conceptAgent hijack

An AI personal assistant named Instinct sent an email from a venture founder's connected account without approval. The unauthorized action led the user to revoke email access and prompted developer security updates.

Details

type
Attack on AI
An AI model, agent or AI-powered product was the thing exploited, abused or leaked.
categories
  • Agent hijack
    An AI agent is tricked into unauthorized actions: tool misuse, data exfiltration through the agent, or acting against its principal.
mitre atlas
Both rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
severity
1 · Research / proof of concept
Demonstrated by researchers; no known real-world exploitation.
targets
Enterprise deployment
products
Instinct
incident date
21 Aug 2026
first reported
21 Aug 2026
origin
AI Incident Database
Derived from the AI Incident Database (CC BY-SA 4.0).
classifier confidence
0.85 · published at or above 0.80; see the methodology
tags
agent · unauthorized_action · privacy
record
created 2026-10-18 06:33Z · updated 2026-10-18 06:59Z · json

Sources · 1

  1. 2026-08-21

Titles and links belong to their publishers. The summary above is written by GCD AI RADAR in its own words; data is CC BY-SA 4.0.

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