Spring Security 6.3 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Spring Security 6.3 reached end of life on 30 Jun 2025. It no longer receives security fixes.
Support timeline
Official dates from the Spring Security release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 20 May 2024 | — |
| End of life | 30 Jun 2025 | 1.1 years ago |
| Extended support ends | 30 Jun 2026 | over |
| Latest release | 6.3.10 · 16 Jun 2025 | final |
Where to go from 6.3
Recommended target: Spring Security 7.1 (supported until 31 Jul 2027).
The newest actively supported branch is Spring Security 7.1 (latest release 7.1.0).
Frequently asked questions
Is Spring Security 6.3 still safe to use?
Spring Security 6.3 reached end of life on 30 Jun 2025, 405 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Spring Security 6.3?
Yes — the final release (6.3.10) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Spring Security 6.3 to?
Upgrade to Spring Security 7.1, the newest actively supported branch (supported until 31 Jul 2027).