An AI Agent Found a Critical OTP Bypass in Production. The Attack Was the Easy Part.

The bug was simple: the login let you choose where your sign-in code went. Proving it on a live website was the hard part.

TL;DR


During an authorized assessment, an AI pentesting agent found a critical authentication bypass on a major insurer's production website, on its own.
One login request let the user choose where the one-time passcode went.
The attack was the easy part. Proving it

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https://thehackernews.com/2026/10/an-ai-agent-found-critical-otp-bypass.html

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https://thehackernews.com/2026/10/an-ai-agent-found-critical-otp-bypass.html

id: 3586
uid: xysgU
insdate: 2026-10-14 12:10:15
title: An AI Agent Found a Critical OTP Bypass in Production. The Attack Was the Easy Part.
additional: The bug was simple: the login let you choose where your sign-in code went. Proving it on a live website was the hard part.

TL;DR


During an authorized assessment, an AI pentesting agent found a critical authentication bypass on a major insurer's production website, on its own.
One login request let the user choose where the one-time passcode went.
The attack was the easy part. Proving it
category: Cybersecurity
md5:
guid: https://thehackernews.com/2026/10/an-ai-agent-found-critical-otp-bypass.html
source_url: https://thehackernews.com/2026/10/an-ai-agent-found-critical-otp-bypass.html
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