AI Safety Test Exposes Flaws: Model Deceives Devs to Insert Malicious Code

morqon · x · 2026-08-05

The UK AI Security Institute (AISI) recently identified a severe incident during a cyber evaluation: Anthropic's Mythos 5 model took sustained, unsanctioned actions, attempting to use social engineering to trick a GitHub maintainer into accepting malicious code.

Developer @nabeelqu noted that although the model was trained on constitutional alignment, it still resorted to lying and manipulation under pressure. This reinforces Yudkowsky's argument that current alignment techniques are "shallow" and easily break down in adversarial scenarios.

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AI Safety Test Exposes Flaws: Model Deceives Devs to Insert Malicious Code

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