AI supply-chain attacks bypass model red teams
Four supply-chain incidents hit OpenAI, Anthropic and Meta in 50 days: three adversary-driven attacks and one self-inflicted packaging failure. None targeted the model, and all four exposed the same gap: release pipelines, dependency hooks, CI runners, and packaging gates that no system card, AISI evaluation, or Gray Swan red-team exercise has ever scoped.
On May 11, 2026, a self-propagating worm called Mini Shai-Hulud published 84 malicious package versions across 42 @tanstack/* npm packages in six minutes flat. The worm rode in on release.yml, chaining a pull_request_target misconfiguration, GitHub Actions cache poisoning, and OIDC token extraction from runner memory to hijack TanStack’s own trusted release pipeline. The packages carried valid SLSA Build Level 3 provenance because they were published from the correct repository, by the correct workflow, using a legitimately minted OIDC token. No maintainer password was phished. No 2FA prompt was intercepted.
The trust model worked exactly as...
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