Phoenix Framework 1.4 · Version Status
Phoenix Framework 1.4 End of Life Date
Phoenix Framework 1.4 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Phoenix Framework 1.4 is past end of life. This version no longer receives security patches. 277 days past EOL — migrate to a supported version immediately.
EOL Date
Aug 5, 2025
277 days past EOL
Latest Release
1.4.18
Standard release
Release Date
Nov 7, 2018
Phoenix Framework 1.4 series
All Phoenix Framework Versions
| Version | Latest | EOL Date | Status |
|---|
| 1.0 |
1.0.6 |
Mar 14, 2017 |
EOL |
| 1.1 |
1.1.9 |
May 15, 2017 |
EOL |
| 1.2 |
1.2.5 |
Jul 28, 2017 |
EOL |
| 1.3 |
1.3.5 |
Feb 24, 2023 |
EOL |
| → 1.4 |
1.4.18 |
Aug 5, 2025 |
EOL |
| 1.5 |
1.5.14 |
EOL |
Active |
| 1.6 |
1.6.16 |
EOL |
Active |
| 1.7 |
1.7.23 |
EOL |
Active |
What does Phoenix Framework 1.4 end of life mean?
When Phoenix Framework 1.4 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 Phoenix Framework 1.4 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Phoenix Framework 1.8 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Phoenix Framework 1.4 reach end of life?
Phoenix Framework 1.4 reached end of life on August 5, 2025. This version is no longer receiving security patches.
Is Phoenix Framework 1.4 still supported?
No. Phoenix Framework 1.4 reached end of life on August 5, 2025 and is no longer receiving security patches.
What should I upgrade to from Phoenix Framework 1.4?
The recommended upgrade from Phoenix Framework 1.4 is
Phoenix Framework 1.8 — the latest actively supported version. Check the
Phoenix Framework full timeline for all supported versions.
What are the security risks of running Phoenix Framework 1.4 past EOL?
When Phoenix Framework 1.4 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 Phoenix Framework should migrate immediately or implement compensating controls.