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19 days ago

Cloudflare fixes Containers cross-tenant flaw exposing customer data

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What's happening

SignalsMonitor is following this as a security story. BleepingComputer is the outlet attached so far. The first report grouped here was at 27 Sept 2026, 14:13 UTC. The headline in use is “Cloudflare fixes Containers cross-tenant flaw exposing customer data”. This note is SignalsMonitor's own briefing, not the publisher's article.

What we know

Cloudflare has fixed a vulnerability in Containers and Sandboxes that allowed customers with a Workers Paid account to recover residual data from other customers' containers on the same physical host. [...

BleepingComputerRead at BleepingComputer

Story timeline

Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.

Reported by 1 outlet

  • BleepingComputer