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Plone
Security
CMS & ContentLatest Version: 6.2.1Latest Release: Jun 26, 2026
Plone is a powerful open-source CMS built on Python and Zope, known for security and extensibility.
Support summary
Plone has cycles in security-only maintenance. Production workloads should move toward actively supported releases.
What do EOL and support statuses mean?Next EOL
Dec 31, 2027
Plone 6.2 · 497 days left
Supported cycles
3
0 lts
Versions
7
Latest Version
6.2.1
Active Support
0
EOL
4
Lifecycle Timeline
Today ↓
6.2
6.2
6.1
6.1
6.0
6.0
5.2
5.2
5.1
5.1
5.0
5.0
4.3
4.3
Active SupportSecurity SupportEOL
Versions
| Release | Release Date | Active Support | EOL | Latest Version | LTS | Status |
|---|---|---|---|---|---|---|
| 6.2 | May 19, 2026 | Jun 26, 2026 | Dec 31, 2027 | 6.2.1 | No | Security |
| 6.1 | Feb 7, 2025 | Jun 25, 2026 | Dec 31, 2027 | 6.1.5 | No | Security |
| 6.0 | Dec 12, 2022 | Mar 27, 2025 | Dec 31, 2027 | 6.0.15 | No | Security |
| 5.2 | Jul 10, 2019 | Oct 31, 2023 | Oct 31, 2024 | 5.2.15 | No | EOL |
| 5.1 | Feb 5, 2018 | Oct 2, 2020 | Dec 12, 2022 | 5.1.7 | No | EOL |
| 5.0 | Sep 27, 2015 | Feb 7, 2019 | Dec 12, 2022 | 5.0.10 | No | EOL |
| 4.3 | Apr 6, 2013 | Aug 28, 2020 | Dec 12, 2022 | 4.3.20 | No | EOL |
Data sources
Frequently Asked Questions
Which versions of Plone have reached end of life?
The following Plone versions have reached end of life and no longer receive security updates: 5.2, 5.1, 5.0, 4.3. It is recommended to upgrade to a supported version.
Is it safe to continue using Plone 5.2?
Plone 5.2 has reached end of life and no longer receives security patches or bug fixes. Continuing to use it may expose your systems to known vulnerabilities. We strongly recommend upgrading to a supported version.
What is the latest version of Plone?
The latest version of Plone is 6.2.1, released in the 6.2 release cycle.
How many versions of Plone are currently supported?
Plone currently has 3 actively supported version(s): 6.2, 6.1, 6.0.
When does Plone 6.2 reach end of life?
Plone 6.2 is scheduled to reach end of life on Dec 31, 2027.
What should I do when Plone reaches end of life?
When a Plone version reaches end of life, you should: 1) Plan your migration to a supported version as soon as possible. 2) Review the release notes for breaking changes. 3) Test your applications thoroughly in a staging environment. 4) Update your dependencies to ensure compatibility with the new version.