NixOS 26.05 · Version Status
NixOS 26.05 End of Life Date
NixOS 26.05 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
⚡
NixOS 26.05 reaches end of life on December 31, 2026. Plan your migration now — 173 days remaining.
📅 Get reminded before NixOS 26.05 reaches EOL on December 31, 2026 — alerts 90, 30 & 7 days out.
EOL Date
Dec 31, 2026
173 days remaining
Latest Release
—
Standard release
Release Date
May 30, 2026
NixOS 26.05 series
Attack Surface
10/30 Medium tier
CISA KEV Exposure
0/20 Not in KEV
Extended Support
0/10 Available
EOL Risk Score™ — proprietary methodology by endoflife.ai. Factors: EOL recency, attack surface breadth, CISA KEV catalog presence, extended support availability. Updated at every build.
Methodology → ·
View score card →
Extended Support
Extended NixOS 26.05 support is available
Commercial vendors offer security patches beyond EOL — compare your options.
Compare Options →
| Version | Latest | EOL Date | Status |
|---|
| 13.10 |
— |
May 31, 2014 |
EOL |
| 14.04 |
— |
Jan 31, 2015 |
EOL |
| 14.12 |
— |
Sep 30, 2015 |
EOL |
| 15.09 |
— |
Apr 30, 2016 |
EOL |
| 16.03 |
— |
Oct 30, 2016 |
EOL |
| 16.09 |
— |
Apr 30, 2017 |
EOL |
| 17.03 |
— |
Oct 30, 2017 |
EOL |
| 17.09 |
— |
Apr 30, 2018 |
EOL |
What does NixOS 26.05 end of life mean?
When NixOS 26.05 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 NixOS 26.05 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to a supported version or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does NixOS 26.05 reach end of life?
NixOS 26.05 reached end of life on December 31, 2026. That is 173 days remaining.
Is NixOS 26.05 still supported?
NixOS 26.05 is still supported but approaching end of life on December 31, 2026. Begin planning your migration now.
What should I upgrade to from NixOS 26.05?
What are the security risks of running NixOS 26.05 past EOL?
When NixOS 26.05 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 NixOS should migrate immediately or implement compensating controls.