CVE-2021-32783

Contour is a Kubernetes ingress controller using Envoy proxy. In Contour before version 1.17.1 a specially crafted ExternalName type Service may be used to access Envoy's admin interface, which Contour normally prevents from access outside the Envoy container. This can be used to shut down Envoy...

CVE-2021-32574

HashiCorp Consul and Consul Enterprise 1.3.0 through 1.10.0 Envoy proxy TLS configuration does not validate destination service identity in the encoded subject alternative name. Fixed in 1.8.14, 1.9.8, and 1.10.1...

BIT-ENVOY-2025-46821 Envoy vulnerable to bypass of RBAC uri_template permission

Envoy is a cloud-native edge/middle/service proxy. Prior to versions 1.34.1, 1.33.3, 1.32.6, and 1.31.8, Envoy's URI template matcher incorrectly excludes the character from a set of valid characters in the URI path. As a result URI path containing the character will not match a URI template...

CVE-2025-46821 Envoy vulnerable to bypass of RBAC uri_template permission

Envoy is a cloud-native edge/middle/service proxy. Prior to versions 1.34.1, 1.33.3, 1.32.6, and 1.31.8, Envoy's URI template matcher incorrectly excludes the character from a set of valid characters in the URI path. As a result URI path containing the character will not match a URI template...

CVE-2025-46821

CVE-2025-46821 concerns Envoy, a cloud-native edge/middle/service proxy. Affects prior releases up to 1.34.1, 1.33.3, 1.32.6, and 1.31.8 where the URI template matcher incorrectly excludes the * character in the URI path, causing URI templates to fail to match and potentially bypass RBAC rules co...

Medium: ecs-service-connect-agent

Issue Overview: Envoy is a cloud-native high-performance edge/middle/service proxy. Prior to 1.33.1, 1.32.4, 1.31.6, and 1.30.10, Envoy's extproc HTTP filter is at risk of crashing if a local reply is sent to the external server due to the filter's life time issue. A known situation is the failur...

BIT-ENVOY-2025-30157 Envoy crashes when HTTP ext_proc processes local replies

Envoy is a cloud-native high-performance edge/middle/service proxy. Prior to 1.33.1, 1.32.4, 1.31.6, and 1.30.10, Envoy's extproc HTTP filter is at risk of crashing if a local reply is sent to the external server due to the filter's life time issue. A known situation is the failure of a websocket...

CVE-2025-30157 Envoy crashes when HTTP ext_proc processes local replies

Envoy is a cloud-native high-performance edge/middle/service proxy. Prior to 1.33.1, 1.32.4, 1.31.6, and 1.30.10, Envoy's extproc HTTP filter is at risk of crashing if a local reply is sent to the external server due to the filter's life time issue. A known situation is the failure of a websocket...

CVE-2025-30157

CVE-2025-30157 – Envoy ext_proc filter crash (Affects multiple 1.x releases) The issue affects Envoy’s ext_proc HTTP filter. A life-time management flaw can cause Envoy to crash when a local reply is sent to the external server, with a known scenario involving a failed websocket handshake trigger...

CVE-2025-30157 Envoy crashes when HTTP ext_proc processes local replies

Envoy is a cloud-native high-performance edge/middle/service proxy. Prior to 1.33.1, 1.32.4, 1.31.6, and 1.30.10, Envoy's extproc HTTP filter is at risk of crashing if a local reply is sent to the external server due to the filter's life time issue. A known situation is the failure of a websocket...

CVE-2025-30157 Envoy crashes when HTTP ext_proc processes local replies

Envoy is a cloud-native high-performance edge/middle/service proxy. Prior to 1.33.1, 1.32.4, 1.31.6, and 1.30.10, Envoy's extproc HTTP filter is at risk of crashing if a local reply is sent to the external server due to the filter's life time issue. A known situation is the failure of a websocket...

CVE-2025-25294 Envoy Gateway Log Injection Vulnerability

Envoy Gateway is an open source project for managing Envoy Proxy as a standalone or Kubernetes-based application gateway. In all Envoy Gateway versions prior to 1.2.7 and 1.3.1 a default Envoy Proxy access log configuration is used. This format is vulnerable to log injection attacks. If the...

CVE-2024-37307

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.13.0 and prior to versions 1.13.7, 1.14.12, and 1.15.6, the output of cilium-bugtool can contain sensitive data when the tool is run with the --envoy-dump flag set against Cilium...

Security Bulletin: IBM Watson CP4D Data Stores is vulnerable to Envoy Proxy Envoy denial of service vulnerabilitiy(CVE-2024-30255)

Summary Potential Envoy Proxy Envoy denial of service vulnerabilitiyCVE-2024-30255 has been identified that may affect IBM Watson CP4D Data Stores. The vulnerability have been addressed. Refer to details for additional information. Vulnerability Details CVEID:CVE-2024-30255 DESCRIPTION: Envoy Pro...

Security Bulletin: IBM Watson CP4D Data Stores is vulnerable to Envoy Proxy Envoy denial of service vulnerabilitiy.(CVEID: CVE-2024-27919)

Summary PotentialEnvoy Proxy Envoy denial of service vulnerabilitiy.CVEID: CVE-2024-27919 has been identified that may affect IBM Watson CP4D Data Stores. The vulnerability have been addressed. Refer to details for additional information. Vulnerability Details CVEID:CVE-2024-27919 DESCRIPTION:...

GO-2025-3418 Envoy Admin Interface Exposed through prometheus metrics endpoint in github.com/envoyproxy/gateway

Envoy Admin Interface Exposed through prometheus metrics endpoint in github.com/envoyproxy/gateway...

CVE-2025-24030 Envoy Admin Interface Exposed through prometheus metrics endpoint

Envoy Gateway is an open source project for managing Envoy Proxy as a standalone or Kubernetes-based application gateway. A user with access to the Kubernetes cluster can use a path traversal attack to execute Envoy Admin interface commands on proxies managed by any version of Envoy Gateway prior...

Envoy reloadable_features configuration DoS

The vulnerability of the envoy.reloadablefeatures configuration, including http1balsadelay and reset, related to incorrect implementation of control flow processing when handling HTTP responses. Exploiting this vulnerability can allow an attacker to cause service interruptions...

Happy Eyeballs DoS

The vulnerability of the Happy Eyeballs sorting algorithm for the Envoy proxy server is related to the incorrect implementation of the control flow when processing IP addresses. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

BIT-ENVOY-2024-53269 Happy Eyeballs: Validate that additional_address are IP addresses instead of crashing when sorting in envoy

Envoy is a cloud-native high-performance edge/middle/service proxy. When additional address are not ip addresses, then the Happy Eyeballs sorting algorithm will crash in data plane. This issue has been addressed in releases 1.32.2, 1.31.4, and 1.30.8. Users are advised to upgrade. Users unable to...