Contao 5.3 · Version Status
Contao 5.3 End of Life Date
Contao 5.3 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Contao 5.3 is actively supported. EOL date: February 14, 2028.
EOL Date
Feb 14, 2028
646 days remaining
Latest Release
5.3.46
LTS release
Release Date
Feb 16, 2024
Contao 5.3 series
| Version | Latest | EOL Date | Status |
|---|
| 3.5 LTS |
3.5.40 |
May 31, 2019 |
EOL |
| 4.4 LTS |
4.4.57 |
Dec 14, 2021 |
EOL |
| 4.9 LTS |
4.9.42 |
Feb 14, 2024 |
EOL |
| 4.10 |
4.10.7 |
Feb 14, 2021 |
EOL |
| 4.11 |
4.11.9 |
Aug 14, 2021 |
EOL |
| 4.12 |
4.12.7 |
Jan 14, 2022 |
EOL |
| 4.13 LTS |
4.13.58 |
Feb 14, 2026 |
EOL |
| 5.0 |
5.0.10 |
Feb 14, 2023 |
EOL |
What does Contao 5.3 end of life mean?
When Contao 5.3 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 Contao 5.3 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Contao 5.7 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Contao 5.3 reach end of life?
Contao 5.3 reached end of life on February 14, 2028. That is 646 days remaining.
Is Contao 5.3 still supported?
Yes, Contao 5.3 is currently supported. The EOL date is February 14, 2028.
What should I upgrade to from Contao 5.3?
The recommended upgrade from Contao 5.3 is
Contao 5.7 — the latest actively supported version. Check the
Contao full timeline for all supported versions.
What are the security risks of running Contao 5.3 past EOL?
When Contao 5.3 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 Contao should migrate immediately or implement compensating controls.