GPT-5.5: mythos-like hacking, open to all

A vulnerability dubbed "Mythos" in GPT-5.5 model would allow attackers to bypass security mechanisms.

Published 19sem1 sourceImportant

≈ 18sSpeed

The fact

This flaw has broad scope and affects all users without particular authentication distinction.

OpenAI investigates the exact nature of this flaw and correction measures.

Click the link to read an article on the topic:

Explore this topic

Auto-synthesis from 1 media source · identified on April 23, 2026