Oren Yomtov on X: “What's worse than escaping a sandbox and reading the host's files? Esc…”

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Oren Yomtov

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What's worse than escaping a sandbox and reading the host's files?

Escaping Cloudflare's, and reading other customers' files.

How did that happen? Cloudflare Containers' disk is thin-provisioned, which means the host keeps a shared pool of storage for every container on the

blog.cloudflare.comHow Cloudflare addressed a cross-tenant data exposure vulnerability in Containers

Sep 24, 2026, 4:23 PM UTC

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Oren Yomtov on X: “What's worse than escaping a sandbox and reading the host's files? Esc…” | PeekX