21:50
2026-06-03
dev.to
ai-safety
What the ChatGPT for Sheets data-exfiltration bug teaches about AI security
On May 27, 2026, security firm PromptArmor disclosed that ChatGPT for Google Sheets, an OpenAI extension with over 185,000 downloads, could be exploited to exfiltrate user spreadsheets through a singl…