Opnsense 26.1 · Version Status
Opnsense 26.1 End of Life Date
Opnsense 26.1 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Opnsense 26.1 is actively supported. EOL date: Already EOL.
EOL Date
Already EOL
Supported
Latest Release
26.1.7
Standard release
Release Date
Jan 28, 2026
Opnsense 26.1 series
| Version | Latest | EOL Date | Status |
|---|
| 15.1 |
15.1.12 |
Jul 2, 2015 |
EOL |
| 15.7 |
15.7.25 |
Jan 28, 2016 |
EOL |
| 16.1 |
16.1.20 |
Jul 26, 2016 |
EOL |
| 16.7 |
16.7.14 |
Jan 27, 2017 |
EOL |
| 17.1 |
17.1.11 |
Jul 26, 2017 |
EOL |
| 17.7 |
17.7.12 |
Jan 26, 2018 |
EOL |
| 18.1 |
18.1.13 |
Jul 29, 2018 |
EOL |
| 18.7 |
18.7.10 |
Jan 28, 2019 |
EOL |
What does Opnsense 26.1 end of life mean?
When Opnsense 26.1 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 Opnsense 26.1 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Opnsense 26.1 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Opnsense 26.1 reach end of life?
Opnsense 26.1 has already reached end of life.
Is Opnsense 26.1 still supported?
Yes, Opnsense 26.1 is currently supported. The EOL date is Already EOL.
What should I upgrade to from Opnsense 26.1?
The recommended upgrade from Opnsense 26.1 is
Opnsense 26.1 — the latest actively supported version. Check the
Opnsense full timeline for all supported versions.
What are the security risks of running Opnsense 26.1 past EOL?
When Opnsense 26.1 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 Opnsense should migrate immediately or implement compensating controls.