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Vulnerabilities

14 CVEs · NVD, GitHub Advisories, CISA KEV, FIRST EPSS, GitHub PoC repos

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SortpublishedepsscvssKEV dateupdatedvendor: envoy ✕
CVEVulnerabilityCVSSEPSSFlagsAffectedExposurePublished
CVE-2026-47220
+13 in the same advisory: …48706 …48042 …48044 …47204 …47221 …48497 +7
Envoy is an open source edge and service proxy designed for cloud-native applications.

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.

NVD description · AI analysis pending		7.5
group max
<1% PoC
  • envoyproxy envoy
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