Contao End of Life (EOL) Dates & Support Timeline
Complete end-of-life dates, support windows, and security status for all Contao versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.
| Version | Latest Release | Release Date | EOL Date | Days | Status |
|---|---|---|---|---|---|
| 3.5 LTS | 3.5.40 | Jun 5, 2015 | May 31, 2019 | 2580 days past EOL | EOL |
| 4.4 LTS | 4.4.57 | Jun 15, 2017 | Dec 14, 2021 | 1652 days past EOL | EOL |
| 4.9 LTS | 4.9.42 | Feb 18, 2020 | Feb 14, 2024 | 860 days past EOL | EOL |
| 4.10 | 4.10.7 | Aug 18, 2020 | Feb 14, 2021 | 1955 days past EOL | EOL |
| 4.11 | 4.11.9 | Feb 17, 2021 | Aug 14, 2021 | 1774 days past EOL | EOL |
| 4.12 | 4.12.7 | Aug 19, 2021 | Jan 14, 2022 | 1621 days past EOL | EOL |
| 4.13 LTS | 4.13.58 | Feb 17, 2022 | Feb 14, 2026 | 129 days past EOL | EOL |
| 5.0 | 5.0.10 | Aug 18, 2022 | Feb 14, 2023 | 1225 days past EOL | EOL |
| 5.1 | 5.1.11 | Feb 16, 2023 | Aug 14, 2023 | 1044 days past EOL | EOL |
| 5.2 | 5.2.10 | Aug 15, 2023 | Feb 14, 2024 | 860 days past EOL | EOL |
| 5.3 LTS | 5.3.47 | Feb 16, 2024 | Feb 14, 2028 | 601 days remaining | Active |
| 5.4 | 5.4.14 | Aug 15, 2024 | Feb 14, 2025 | 494 days past EOL | EOL |
| 5.5 | 5.5.16 | Feb 18, 2025 | Aug 14, 2025 | 313 days past EOL | EOL |
| 5.6 | 5.6.11 | Aug 18, 2025 | Feb 14, 2026 | 129 days past EOL | EOL |
| 5.7 LTS | 5.7.7 | Feb 18, 2026 | Feb 14, 2030 | 1332 days remaining | Active |
What does Contao end of life mean for your organization?
When a version of Contao reaches end of life, the maintainers stop issuing security patches. Vulnerabilities discovered after this date are publicly disclosed on the National Vulnerability Database, exploit code appears on GitHub, and your systems remain permanently exposed.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the accumulation of unpatched vulnerabilities in EOL software. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no patch will ever exist. This is the most dangerous gap in enterprise security posture.
Organizations running EOL Contao should treat it as a vulnerability class in their risk register, apply compensating controls (network segmentation, enhanced monitoring, access restriction), and prioritize migration to a supported version.
Extended Support Options
If you cannot migrate immediately, extended support vendors provide continued security patches for EOL Contao versions. This is a bridge, not a permanent solution — plan your migration in parallel.
We work with vetted extended support vendors. Tell us what you need and we'll connect you with the right provider.
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