Apache Pulsar 4.x — End of Life
ActiveApache Pulsar 4.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status |
|---|---|---|---|---|---|
| 4.2 | Mar 24, 2026 | — | Sep 24, 2026 | 4.2.2 | Active |
| 4.1 | Sep 8, 2025 | — | Mar 8, 2026 | 4.1.3 | EOL |
| 4.0LTS | Oct 21, 2024 | — | Oct 21, 2026 | 4.0.11 | Active |
CVEs affecting Apache Pulsar 4.x (0)
Frequently asked questions
Is Apache Pulsar 4 end of life?
Partially. Some Apache Pulsar 4.x releases have reached EOL. Check the version table above for the exact status of each sub-release.
What CVEs affect Apache Pulsar 4?
No CVEs are currently tracked for Apache Pulsar 4.x in our database. This may mean no vulnerabilities have been recorded yet, or the data is still syncing.
What is the latest Apache Pulsar 4 version?
The latest Apache Pulsar 4.x patch release is 4.2.2, released on June 8, 2026. Always run the latest patch to benefit from all security fixes.
When was Apache Pulsar 4 first released?
Apache Pulsar 4.0 was initially released on March 24, 2026. See the full version timeline in the table above.
Is it safe to run Apache Pulsar 4 in production?
Apache Pulsar 4 is still supported and safe for production use until September 24, 2026. Ensure you are running the latest patch version (4.2.2) to have all security fixes applied.
Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA