Security researcher: infiltrating inference providers like OpenRouter beats model weight poisoning

joshua_saxe · x · 2026-10-30

Security researcher Joshua Saxe warns that sites like OpenRouter have insane security sensitivity: an attacker who could inject shell commands into users' token streams—or log and ransom their data—could do enormous damage. His point: why bother poisoning model weights when you can implant yourself inside inference providers? He argues the inference layer deserves far more attention in AI supply-chain security.

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