CVE-2026-47204

mediumCVSS 6.5covered by 1 sourcefirst seen 2026-06-26

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.26.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, the envoy.filters.http.grpc_stats filter crashes (null pointer dereference / segfault) when a Connect protocol request (Content-Type: application/connect+proto or application/connect+json) hits a direct_response route. A single unauthenticated HTTP request crashes the Envoy process. This vulnerability is fixed in 1.35.13, 1.36.9, 1.37.5, and 1.38.3.

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Exploitation outlook

Low exploitation risk0.45% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 36% of all EPSS-scored CVEs.

Advisory coverage (1)

mediumCVE-2026-47204: Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.…nvd · 2026-06-26

External references

NVD record for CVE-2026-47204

CVE.org record

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