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    CVE-2026-47204

    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.

    Published:Jun 26, 2026
    Last Modified:Jun 29, 2026
    EPS:Jun 26, 2026
    EPSS Score:0.00448
    CVSS Score:6.5

    Affected Products

    Vendor
    Envoyproxy
    Product
    Envoy

    Exploits

    https://github.com/envoyproxy/envoy/security/advisories/GHSA-3jxh-8p6x-7pf6https://github.com/envoyproxy/envoy/security/advisories/GHSA-3jxh-8p6x-7pf6

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High