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Emissary-ingress

Kubernetes-native API gateway built on Envoy

Reverse Proxy & Gateways ★ 4.5k stars Medium setup Apache-2.0

Emissary-ingress is an open-source, Kubernetes-native API gateway and ingress controller built on Envoy Proxy. It manages traffic, rate limiting, and authentication for cluster workloads.

Official siteSource code

Key features

  • Kubernetes-native API gateway
  • Envoy data plane
  • Rate limiting and auth
  • Declarative configuration

Strengths

  • Released under the Apache-2.0 license
  • Kubernetes-ready with Helm charts available
  • Active community (4.5k GitHub stars)
  • Written in Python

Is Emissary-ingress secure?

No known vulnerabilities affect Emissary-ingress's latest release (v4.1.0). OSV.dev lists 1 past advisory for the project; none of them applies to this release. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

  • Most recent fixed advisory CVE-2021-36371, published 2021-07-09 (1923 days ago)

Source: OSV.dev, checked 2026-10-14. How this is measured.

Emissary-ingress replaces

Self-hosted AWS API Gateway alternativesSelf-hosted Kong alternatives

Health badge

Maintain Emissary-ingress? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 90 · excellent

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   :target: https://selfhostindex.com/app/emissary-ingress/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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