Cloud

Shared cache layer leaked short-lived secrets between serverless tenants

A regional provider has patched an issue where warm execution environments retained prior tenant state.

Daniel Okonjo

Cloud Security Correspondent • 11 Jul 2026 • 6 min read

Rack of network servers with blue status lights — Warm-start reuse remains an underexamined boundary. Photo: Unsplash

Exposure required precise timing, but researchers demonstrated reliable retrieval in a controlled test. This story is developing and will be updated as our newsroom confirms further detail with affected organisations and responders.

#Serverless
#Secrets
#Isolation

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Shared cache layer leaked short-lived secrets between serverless tenants

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