cert-manager end of life: end of support by version

CNCF · Development & DevOps

For cert-manager by CNCF, patchletter knows 12 support cycles. 10 of them have already ended and receive no more security updates. The current version of cert-manager is 1.21.3. The cycles come from the open endoflife.date project, last reconciled on 07/11/2026.

When does support end for which cert-manager version?

A cycle is a maintained version line. Where a date is given, support ends on that day. After it the vendor ships no more security updates for that line.

CycleLatest versionEnd of supportStatus
1.211.21.3no date on recordsupported
1.201.20.5no date on recordsupported
1.191.19.6123 days agoEnd of Life
1.181.18.6243 days agoEnd of Life
1.171.17.4397 days agoEnd of Life
1.161.16.5516 days agoEnd of Life
1.151.15.5643 days agoEnd of Life
1.141.14.7766 days agoEnd of Life
1.131.13.6886 days agoEnd of Life
1.12LTS1.12.17538 days agoEnd of Life
1.111.11.51153 days agoEnd of Life
1.101.10.21269 days agoEnd of Life

Which cert-manager versions no longer receive security updates?

10 of 12 cycles have ended. If you run one of those lines, the vendor ships you no more patches, not even for critical flaws.

  • cert-manager 1.191.19.6
  • cert-manager 1.181.18.6
  • cert-manager 1.171.17.4
  • cert-manager 1.161.16.5
  • cert-manager 1.151.15.5
  • cert-manager 1.141.14.7
  • cert-manager 1.131.13.6
  • cert-manager 1.121.12.17
  • cert-manager 1.111.11.5
  • cert-manager 1.101.10.2

Where does the EOL data for cert-manager come from?

From the open endoflife.date project, which collects vendors' official support commitments. patchletter reconciles the cycles daily; the cert-manager data is as of 07/11/2026. In case of doubt the vendor's own lifecycle page applies. patchletter deliberately stores no vendor full texts.

New cert-manager versions by email

Tick the product and patchletter reports new releases by email. The update email costs nothing, and one click stops it again. The warning 90, 30 and 7 days before support ends is part of patchletter Pro.