Boundary 0.x — End of Life
ActiveBoundary 0.x is partially supported: only 0.21, 0.20, 0.19 still receive security fixes. The most recent release in this series is 0.21.3. No CVE is currently tracked for Boundary 0.x.
Boundary 0.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status | Alert me |
|---|---|---|---|---|---|---|
| 0.21 | Dec 11, 2025 | — | No | 0.21.3 | Active | |
| 0.20 | Sep 25, 2025 | — | No | 0.20.3 | Active | |
| 0.19 | Feb 10, 2025 | — | No | 0.19.5 | Active | |
| 0.18 | Oct 14, 2024 | — | Dec 11, 2025 | 0.18.2 | EOL | |
| 0.17 | Jul 31, 2024 | — | Sep 25, 2025 | 0.17.2 | EOL | |
| 0.16 | Apr 30, 2024 | — | Feb 10, 2025 | 0.16.3 | EOL |
CVEs affecting Boundary 0.x (0)
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[](https://eolcanary.com/explore/boundary/0)Frequently asked questions
Is Boundary 0 end of life?
Partially. 3 of the 6 Boundary 0.x releases have reached end of life. Still supported: 0.21, 0.20, 0.19.
What CVEs affect Boundary 0?
No CVEs are currently tracked for Boundary 0.x in the NVD data we monitor.
What is the latest Boundary 0 version?
The latest Boundary 0.x patch release is 0.21.3, released on April 30, 2026. Always run the latest patch to benefit from all security fixes.
When was Boundary 0 first released?
Boundary 0.16 was released on April 30, 2024. See the full version timeline in the table above.
Is it safe to run Boundary 0 in production?
Only on a supported release (0.21, 0.20, 0.19). Make sure you run the latest patch (0.21.3) to have all security fixes applied.
Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA