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Envoy Gateway custom backendRef cross-namespace ReferenceGrant bypass

🗓️ 16 Jul 2026 19:14:50Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 6 Views

Envoy Gateway allows cross-namespace custom backendRef usage without a ReferenceGrant, breaking consent.

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Vulners
Node
OR
envoyproxygatewayRange<1.7.4go
envoyproxygatewayRange1.8.0-rc.01.8.1go

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