ChatGPT for Google Sheets add-on vulnerable to prompt injection that exfiltrates entire account workbooks + phishing overlays.

Why It Matters

Needs editorial pass.

Evidence

Detailed technical disclosure on promptarmor.com (recent, with PoC), strong HN traction (248 pts, ~15-24h old).

Sources

Daily scan: 2026-06-01

• No public source URL captured yet.