Nextcloud 18 · Version Status
Nextcloud 18 End of Life Date
Nextcloud 18 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
⚠
Nextcloud 18 is past end of life. This version no longer receives security patches. 1969 days past EOL — migrate to a supported version immediately.
EOL Date
Jan 31, 2021
1969 days past EOL
Latest Release
18.0.14
Standard release
Release Date
Jan 16, 2020
Nextcloud 18 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 Nextcloud 18 support is available
Commercial vendors offer security patches beyond EOL — compare your options.
Compare Options →
| Version | Latest | EOL Date | Status |
|---|
| 9 |
9.1.3 |
Aug 31, 2017 |
EOL |
| 10 |
10.0.6 |
Aug 31, 2017 |
EOL |
| 11 |
11.0.8 |
Mar 31, 2018 |
EOL |
| 12 |
12.0.13 |
Nov 30, 2018 |
EOL |
| 13 |
13.0.12 |
Feb 28, 2019 |
EOL |
| 14 |
14.0.14 |
Sep 30, 2019 |
EOL |
| 15 |
15.0.14 |
Dec 31, 2019 |
EOL |
| 16 |
16.0.11 |
Jun 30, 2020 |
EOL |
What does Nextcloud 18 end of life mean?
When Nextcloud 18 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 Nextcloud 18 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Nextcloud 34 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Nextcloud 18 reach end of life?
Nextcloud 18 reached end of life on January 31, 2021. This version is no longer receiving security patches.
Is Nextcloud 18 still supported?
No. Nextcloud 18 reached end of life on January 31, 2021 and is no longer receiving security patches.
What should I upgrade to from Nextcloud 18?
The recommended upgrade from Nextcloud 18 is
Nextcloud 34 — the latest actively supported version. Check the
Nextcloud full timeline for all supported versions.
What are the security risks of running Nextcloud 18 past EOL?
When Nextcloud 18 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 Nextcloud should migrate immediately or implement compensating controls.