HAProxy Data Plane API

Key features

• Dynamic config via REST
• No reload required
• Runtime map updates
• Structured config model

Strengths

• Released under the Apache-2.0 license
• First-class Docker support for quick deployment
• Written in Go
• Tiny footprint — runs in 128 MB RAM

Is HAProxy Data Plane API secure?

No known vulnerabilities affect HAProxy Data Plane API's latest release (v3.4.4). 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-2026-109575, published 2026-10-12 (2 days ago), fixed in 2.9.29, 3.0.25, 3.2.17, 3.3.9, 3.4.4

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

HAProxy Data Plane API replaces

Health badge

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.. image:: https://selfhostindex.com/badge/haproxy-data-plane.svg
   :alt: SelfHostIndex health score for HAProxy Data Plane API
   :target: https://selfhostindex.com/app/haproxy-data-plane/