CVE-2026-48090

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, the HTTP OAuth2 filter envoy.filters.http.oauth2 can leave an in-flight async token exchange attached to a downstream stream that has already been torn down. A late...

CVE-2026-48743

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.35.11, 1.36.7, 1.37.3, and 1.38.1, Envoy can translate a downstream HTTP/3 request that is complete at the transport layer HEADERS with FIN / headers-only close but still carries a nonzero...

CVE-2026-47775

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.35.11, 1.36.7, 1.37.3, and 1.38.1, the OAuth2 HTTP filter's encrypt/decrypt functions use AES-256-CBC without an authentication tag no HMAC, no AEAD. The /callback endpoint returns HTTP 302 on...

CVE-2026-47774

CVE-2026-47774 affects Envoy prior to versions 1.35.11, 1.36.7, 1.37.3, and 1.38.1. A vulnerability in HTTP/2 downstream request processing combines two issues: (1) cookie header bytes are not fully accounted for during request header size validation, and (2) HPACK header limits are enforced on e...

EUVD-2026-37765

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.35.11, 1.36.7, 1.37.3, and 1.38.1, a vulnerability in Envoy's HTTP/2 downstream request processing allows an unauthenticated remote client to trigger excessive memory consumption, potentiall...

New HTTP/2 Bomb Vulnerability Allows Remote DoS on NGINX, Apache, IIS, Envoy & Cloudflare

Cybersecurity researchers have discovered a remote denial-of-service exploit that affects major web servers, including NGINX, Apache HTTPD, Microsoft IIS, Envoy, and Cloudflare Pingora. The vulnerability has been codenamed HTTP/2 Bomb by Calif. "The vulnerable behavior exists in each server's...

Amazon Linux 2023 : ecs-service-connect-agent (ALAS2023-2026-1603)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1603 advisory. Envoy is a cloud-native high-performance edge/middle/service proxy. A security vulnerability in Envoy allows external clients to manipulate Envoy headers, potentially leading to unauthorized...

EUVD-2026-25670

A weakness has been identified in Envoy up to 1.33.0. Affected is the function params.add of the file source/extensions/filters/http/headermutation/headermutation.cc of the component Query Parameter Handler. This manipulation causes injection. Remote exploitation of the attack is possible. Patch...

CVE-2026-6994

A weakness has been identified in Envoy up to 1.33.0. Affected is the function params.add of the file source/extensions/filters/http/headermutation/headermutation.cc of the component Query Parameter Handler. This manipulation causes injection. Remote exploitation of the attack is possible. Patch...

Envoy 输入验证错误漏洞

Envoy is an open-source gateway program developed by Enphase for connecting smart home devices. Versions of Envoy prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13 contained a vulnerability related to input validation errors. This vulnerability occurred when the Utility::getAddressWithPort function wa...

Envoy 资源管理错误漏洞

Envoy is an open-source gateway program developed by Enphase for connecting smart home devices. Versions of Envoy prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13 contain a resource management vulnerability. This vulnerability stems from logical flaws in the HTTP connection manager, which may lead to...

Envoy's TLS certificate matcher for `match_typed_subject_alt_names` may incorrectly treat certificates containing an embedded null byte

Summary Envoy’s mTLS certificate matcher for matchtypedsubjectaltnames may incorrectly treat certificates containing an embedded null byte \0 inside an OTHERNAME SAN value as valid matches. Details This occurs when the SAN is encoded as a BMPSTRING or UNIVERSALSTRING, and its UTF-8 conversion...

Envoy 安全漏洞

Envoy is an Enphase open source gateway program for connecting smart home devices. A security vulnerability exists in Envoy versions 1.33.12, 1.34.10, 1.35.6, 1.36.2, and prior versions, which stems from a state desynchronization issue when processing CONNECT requests in TCP proxy mode...

SUSE CVE-2025-62409

Envoy is a cloud-native, open source edge and service proxy. Prior to 1.36.1, 1.35.5, 1.34.9, and 1.33.10, large requests and responses can potentially trigger TCP connection pool crashes due to flow control management in Envoy. It will happen when the connection is closing but upstream data is...

EUVD-2025-34836

Envoy is an open source edge and service proxy. Envoy versions earlier than 1.36.2, 1.35.6, 1.34.10, and 1.33.12 contain a use-after-free vulnerability in the Lua filter. When a Lua script executing in the response phase rewrites a response body so that its size exceeds the configured...

CVE-2025-62409

CVE-2025-62409 affects Envoy, where large requests/responses can trigger TCP connection pool crashes due to flow-control handling when the connection is closing but upstream data still arrives, causing a buffer watermark callback nullptr reference. Affected products include the Envoy core with TC...

CVE-2025-62409 Envoy allows large requests and responses to cause TCP connection pool crash

Envoy is a cloud-native, open source edge and service proxy. Prior to 1.36.1, 1.35.5, 1.34.9, and 1.33.10, large requests and responses can potentially trigger TCP connection pool crashes due to flow control management in Envoy. It will happen when the connection is closing but upstream data is...

CVE-2025-62409 Envoy allows large requests and responses to cause TCP connection pool crash

Envoy is a cloud-native, open source edge and service proxy. Prior to 1.36.1, 1.35.5, 1.34.9, and 1.33.10, large requests and responses can potentially trigger TCP connection pool crashes due to flow control management in Envoy. It will happen when the connection is closing but upstream data is...

Envoy 安全漏洞

Envoy is an Enphase open source gateway program for connecting smart home devices. A security vulnerability exists in Envoy versions prior to 1.36.1, prior to 1.35.5, prior to 1.34.9, and prior to 1.33.10, which stems from improper management of flow control and could result in a crash of the TCP...

EUVD-2020-4906

Malware in sbrugna...