HIGHVulnerability
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NVD HIGH: CVE-2026-47204 — Envoy is an open source edge and service proxy designed for cloud-native applica...

·Source: NIST NVD

Updated:

Executive Summary

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 c

Analysis

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. CVSS Score: 6.5. Published: 2026-06-26T18:16:58.673.

Indicators of Compromise (1)

CVE (1)
CVE-2026-47204
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Jun 26, 2026. Verified by: NIST.

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