Is CVE-2026-47204 actively exploited?

No active exploitation of CVE-2026-47204 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-47204 be exploited remotely?

Yes. CVE-2026-47204 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-47204?

CVE-2026-47204 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2026-47204

CWE-476Published: June 26, 2026· Updated: Jun 29, 2026

7.5

CVSS v3.1

EPSS:0.45%probability of exploitation in 30 daysPercentile:35.8th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-47204 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.