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Topic analysis

Critical Vulnerability in ChatGPT for Google Sheets Allows Data Exfiltration and Phishing Attacks

A critical vulnerability in OpenAI's recently launched ChatGPT for Google Sheets extension enables threat actors to conduct indirect prompt injection attacks that exfiltrate user workbooks, deploy phishing overlays, and modify spreadsheets, even when users have disabled automatic edits and enabled human approval requirements. OpenAI mitigated the issue by removing the model's ability to generate Apps Script code following public disclosure from security firm PromptArmor, which did not receive a substantive response to multiple responsible disclosure attempts.

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First seen
Jun 1, 2026, 4:35 AM
Last updated
Jun 2, 2026, 12:11 AM

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Critical Vulnerability in ChatGPT for Google Sheets Allows Data Exfiltration and Phishing Attacks is currently shaped by signals from 1 source platforms. This page organizes AI analysis summaries, 1 timeline events, and 4 relationship edges so search engines and AI systems can understand the topic's factual basis and propagation arc.

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Keywords

9 tags
data exfiltrationphishing attackindirect prompt injectionAI extension vulnerabilityGoogle Workspace securityresponsible disclosureAI sandboxingcredential phishingspreadsheet security

Source evidence

1 evidence items

Timeline

ChatGPT for Google Sheets exfiltrates workbooks

Jun 1, 2026, 4:35 AM

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