Ceph 21 · Version Status
Ceph 21 End of Life Date
Ceph 21 end-of-life date, support status, and CVE risk. Data reconciled from official vendor documentation and endoflife.date at every build; the source of each date is on the product page.
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Ceph 21 is actively supported. EOL date: October 28, 2028.
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EOL Date
Oct 28, 2028
727 days remaining
Latest Release
21.2.0
Standard release
Release Date
Oct 28, 2026
Ceph 21 series
Where these dates come from
End of lifeOct 28, 2028Vendor's own page, read by our adapter · docs.ceph.com · checked Oct 29, 2026high · 2 sources agree ReleaseOct 28, 2026Vendor's own page, read by our adapter · docs.ceph.com · checked Oct 29, 2026high · 2 sources agree Confidence: high = two or more independent sources agree (the vendor's page read by our adapter, a person's check against the vendor, the dataset the date came from); medium = one; low = the vendor page disagrees or our last read is stale.
How we source dates.
Lifecycle detail
Ceph 21 was released on October 28, 2026 and support is scheduled to end on October 28, 2028 — a planned supported lifespan of 2 years, in line with the 2 years and 3 months median for Ceph releases. Its most recent patch is 21.2.0, published October 28, 2026.
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 →
| Version | Latest | EOL Date | Status |
|---|
| 9 |
9.2.1 |
Apr 1, 2016 |
EOL |
| 10 |
10.2.11 |
Jul 1, 2018 |
EOL |
| 11 |
11.2.1 |
Aug 1, 2017 |
EOL |
| 12 |
12.2.14 |
Mar 1, 2020 |
EOL |
| 13 |
13.2.10 |
Jul 22, 2020 |
EOL |
| 14 |
14.2.22 |
Jun 30, 2021 |
EOL |
| 15 |
15.2.17 |
Aug 9, 2022 |
EOL |
| 16 |
16.2.15 |
Mar 4, 2024 |
EOL |
What does Ceph 21 end of life mean?
When Ceph 21 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: A CVE-based scan does not show the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Some scanners flag unsupported versions of common products, but coverage varies, and none of them give you the date in advance. Running Ceph 21 past its EOL date creates a growing attack surface that a clean scan result does not rule out.
Migrate to Ceph 21 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Ceph 21 reach end of life?
Ceph 21 reaches end of life on October 28, 2028. That is 727 days remaining.
Is Ceph 21 still supported?
Yes, Ceph 21 is currently supported. The EOL date is October 28, 2028.
What should I upgrade to from Ceph 21?
The recommended upgrade from Ceph 21 is
Ceph 21 — the latest actively supported version. Check the
Ceph full timeline for all supported versions.
What are the security risks of running Ceph 21 past EOL?
When Ceph 21 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no vendor fix. A CVE-based scan does not show this — it is the CVE blind spot; some scanners flag unsupported versions of common products, but coverage varies and none give the date in advance. Organizations running EOL Ceph should migrate immediately or implement compensating controls.