CVE-2026-47220
envoyproxy envoy, OpenShift Service Mesh 2, OpenShift Service Mesh 3 취약점
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.
- 대응 우선순위
- 점검
- CVSS
- 7.5
- EPSS
- 0.42% 백분위 34.9% · 2026.08.02 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.06.27