Stolen METR API key burned ~$600K in credits via fail-open agent dashboard bug

GaryMarcus · x · 2026-09-02

A fail-open bug disabled Google authentication on a public agent dashboard, letting attackers prompt an agent into revealing METR's API key and adding SSH persistence. The key was abused for roughly three weeks, consuming about $600,000 in credits. Gary Marcus shared the incident as more evidence that vibe coding without security review is a real risk.

Related event: METR discloses two security incidents: prompt injection made its Agent leak $600k in API keys(5 posts)→

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