AI agent incident
Dark Reading reported a prompt-injection flaw in Manus, an agentic AI application valued at $4 billion, that lets external data steer what the agent does.
Valuation is not a security control. The question to ask before an agent app gets a mailbox or a repository is what it does with text it reads from outside.
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Does RBAC work for AI agents? An explainer on the problem behind this incident.
“A prompt injection bug hit Manus, the $4 billion agentic AI app.” The Permission Layer AI Agent Incident Database, https://thepermissionlayer.com/incidents/manus-prompt-injection/. Database updated October 22, 2026.
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