Dashboard / CVE-2026-47220

CVE-2026-47220

INFO Priority: 0.00 BB Relevance: 0/100
Published: 2026-06-26 Modified: 2026-10-25 First seen: 2026-10-29 Status: pending_score

Description

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.37.0 until 1.37.5 and 1.38.3, when the %REQUESTED_SERVER_NAME(X:Y)% is used in log format and host related options is specified, like HOST_FIRST, SNI_FIRST, it's possible to crash Envoy when the specified host header is missing in the request headers. This vulnerability is fixed in 1.37.5 and 1.38.3.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
envoyproxy envoy 1.37.0 – 1.37.5

References & Advisories (4)

Bug Bounty Relevance

0 / 100

CVSS Score

Unscored

EPSS — Exploitation Probability

0.66%
Raw Score 0.006650
Percentile 51.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00665
2026-10-28
0.00665

Intelligence Sources

nvd ref →

External Links