Mastodon 4.x — End of Life
EOL soonMastodon 4.x is partially supported: only 4.7, 4.6, 4.5, 4.4 still receive security fixes. The most recent release in this series is 4.7.3. No CVE is currently tracked for Mastodon 4.x.
Mastodon 4.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status | Alert me |
|---|---|---|---|---|---|---|
| 4.7 | Aug 20, 2026 | — | No | 4.7.3 | Active | |
| 4.6 | Jun 17, 2026 | — | No | 4.6.9 | Active | |
| 4.5 | Nov 6, 2025 | — | Feb 20, 2027 | 4.5.19 | Active | |
| 4.4 | Jul 8, 2025 | — | Dec 17, 2026 | 4.4.26 | EOL soon | |
| 4.3 | Oct 8, 2024 | — | May 6, 2026 | 4.3.23 | EOL | |
| 4.2 | Sep 21, 2023 | — | Jan 8, 2026 | 4.2.29 | EOL | |
| 4.1 | Feb 10, 2023 | — | Apr 8, 2025 | 4.1.25 | EOL | |
| 4.0 | Nov 14, 2022 | — | Oct 31, 2023 | 4.0.15 | EOL |
CVEs affecting Mastodon 4.x (0)
Add a Mastodon 4 EOL badge to your README
Show your users which Mastodon version your project runs and whether it is still supported. The badge updates automatically. More formats and options →
[](https://eolcanary.com/explore/mastodon/4)Frequently asked questions
Is Mastodon 4 end of life?
Partially. 4 of the 8 Mastodon 4.x releases have reached end of life. Still supported: 4.7, 4.6, 4.5, 4.4.
What CVEs affect Mastodon 4?
No CVEs are currently tracked for Mastodon 4.x in the NVD data we monitor.
What is the latest Mastodon 4 version?
The latest Mastodon 4.x patch release is 4.7.3, released on October 1, 2026. Always run the latest patch to benefit from all security fixes.
When was Mastodon 4 first released?
Mastodon 4.0 was released on November 14, 2022. See the full version timeline in the table above.
Is it safe to run Mastodon 4 in production?
Only on a supported release (4.7, 4.6, 4.5, 4.4). Make sure you run the latest patch (4.7.3) to have all security fixes applied.
Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA