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Cloudflare Fixes Flaw That Let One Container Read Another Customer's Leftover Disk Data

The Hacker News·September 25, 2026·1 min read
Cloudflare Fixes Flaw That Let One Container Read Another Customer's Leftover Disk Data

Cloudflare fixed a flaw in its Containers service that let a paying customer read leftover disk data from other customers' containers on the same server, the company and researchers said Thursday. The data came from freed disk space, not live workloads, and attackers couldn't choose whose data they received.

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