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Boundary

Identity-based secure access to systems and services

Identity & SSO Archived ★ 4.1k stars Medium setup BUSL-1.1

This project is archived. Upstream development has stopped, so expect no new features or security fixes. Consider an actively maintained identity & sso alternative.

Boundary is an open-source tool from HashiCorp that provides identity-based access to hosts and services without distributing network credentials or exposing the network. It brokers and audits sessions.

Official siteSource code

Key features

  • Identity-based access brokering
  • No credential distribution
  • Session recording and audit
  • Dynamic host catalogs

Strengths

  • Released under the BUSL-1.1 license
  • First-class Docker support for quick deployment
  • Active community (4.1k GitHub stars)
  • Written in Go

Is Boundary secure?

No known vulnerabilities affect Boundary's latest release (v0.21.3). OSV.dev lists 6 past advisories 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-2026-7776, published 2026-05-04 (163 days ago), fixed in 0.19.5

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

Boundary replaces

Self-hosted Teleport alternativesSelf-hosted StrongDM alternatives

Health badge

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

SelfHostIndex: 15 · archived

Markdown
[![SelfHostIndex health score for Boundary](https://selfhostindex.com/badge/boundary.svg)](https://selfhostindex.com/app/boundary/)
HTML
<a href="https://selfhostindex.com/app/boundary/"><img src="https://selfhostindex.com/badge/boundary.svg" alt="SelfHostIndex health score for Boundary"></a>
reStructuredText
.. image:: https://selfhostindex.com/badge/boundary.svg
   :alt: SelfHostIndex health score for Boundary
   :target: https://selfhostindex.com/app/boundary/

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

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