AI and Tech Summaries - AI Weekly Malaysia

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Short AI and tech summaries with source links, signal scores, and why each update matters for builders, founders, and Malaysian tech workers.

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Date	Provider	Score	Summary
08 Sep 2026, 10:19 PM	The Hacker News	7.5	ChatGPT Flaw Let a Planted Prompt Send a Victim's Gmail Data to Another Account Check Point Research demonstrated that a planted prompt in a ChatGPT conversation could silently exfiltrate data from a user's connected Gmail account to an attacker's ChatGPT account. The exploit uses ChatGPT's Thinking mode to run a hidden work stream alongside the visible answer, and relies on the default 'Important actions' permission which lets ChatGPT read from connected apps without prompting the user. Why: If you build or use custom GPTs or connect external apps (Gmail, Drive, etc.) to ChatGPT, you should switch connected-app permissions from 'Important actions' to 'Always ask' and treat shared conversations and custom GPT builder instructions as untrusted input. This is especially relevant for anyone shipping agent-based products that chain tools with default permissive permissions. prompt-injection ai-security chatgpt data-exfiltration connected-apps

Date

Provider

Score

Summary

08 Sep 2026, 10:19 PM

The Hacker News

7.5

ChatGPT Flaw Let a Planted Prompt Send a Victim's Gmail Data to Another Account

Check Point Research demonstrated that a planted prompt in a ChatGPT conversation could silently exfiltrate data from a user's connected Gmail account to an attacker's ChatGPT account. The exploit uses ChatGPT's Thinking mode to run a hidden work stream alongside the visible answer, and relies on the default 'Important actions' permission which lets ChatGPT read from connected apps without prompting the user.

Why: If you build or use custom GPTs or connect external apps (Gmail, Drive, etc.) to ChatGPT, you should switch connected-app permissions from 'Important actions' to 'Always ask' and treat shared conversations and custom GPT builder instructions as untrusted input. This is especially relevant for anyone shipping agent-based products that chain tools with default permissive permissions.