Jruby 10.1 · Version Status
Jruby 10.1 End of Life Date
Jruby 10.1 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Jruby 10.1 is actively supported. EOL date: Already EOL.
EOL Date
Already EOL
Supported
Latest Release
10.1.0.0
Standard release
Release Date
Apr 21, 2026
Jruby 10.1 series
| Version | Latest | EOL Date | Status |
| 9.0 |
9.0.5.0 |
Jan 30, 2016 |
EOL |
| 9.1 |
9.1.17.0 |
Apr 20, 2018 |
EOL |
| 9.2 |
9.2.21.0 |
Jun 27, 2022 |
EOL |
| 9.3 |
9.3.15.0 |
Jun 26, 2024 |
EOL |
| 9.4 |
9.4.14.0 |
EOL |
Active |
| 10.0 LTS |
10.0.5.0 |
Apr 1, 2028 |
Active |
| → 10.1 |
10.1.0.0 |
EOL |
Active |
What does Jruby 10.1 end of life mean?
When Jruby 10.1 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Jruby 10.1 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Jruby 10.1 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Jruby 10.1 reach end of life?
Jruby 10.1 has already reached end of life.
Is Jruby 10.1 still supported?
Yes, Jruby 10.1 is currently supported. The EOL date is Already EOL.
What should I upgrade to from Jruby 10.1?
The recommended upgrade from Jruby 10.1 is
Jruby 10.1 — the latest actively supported version. Check the
Jruby full timeline for all supported versions.
What are the security risks of running Jruby 10.1 past EOL?
When Jruby 10.1 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Jruby should migrate immediately or implement compensating controls.