Gmail on i break software - My work with different software, bug hunting and interesting tidbits. /tags/gmail/ Recent content in Gmail on i break software - My work with different software, bug hunting and interesting tidbits. Hugo en-us Mon, 22 Jun 2026 01:46:33 +0530 Indirect Prompt Injection in Google Gemini Assistant in Gmail and the Importance of Agent Tool Capabilities /2026/06/gemini-gmail-indirect-prompt-injection/ Sun, 21 Jun 2026 00:00:00 +0000 /2026/06/gemini-gmail-indirect-prompt-injection/ <p>Writeup of a bug I found with Google Gemini for Gmail that allows for calendar entries to be created within victim calendars and also allows for Gemini to leak it&rsquo;s system prompt by following instructions embedded in email body triggered when tools like summarization are called to operate on email threads.</p>