# cert-manager v1.20.2

- Product: cert-manager (https://whatsnew.fyi/product/cert-manager)
- Vendor: CNCF
- Date: 2026-04-11
- Version: v1.20.2
- Original notes: https://github.com/cert-manager/cert-manager/releases/tag/v1.20.2
- Permalink: https://whatsnew.fyi/product/cert-manager/releases/v1.20.2

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Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **fixed** — Fix invalid YAML generated in Helm chart when both webhook.config and webhook.volumes are defined
- **security** — Bump Go to 1.26.2 and dependencies to address reported vulnerabilities

cert-manager is the easiest way to automatically manage certificates in Kubernetes and OpenShift clusters.

v1.20.2 fixes invalid YAML generated in the Helm chart when both `webhook.config`
and `webhook.volumes` are defined, and bumps Go to 1.26.2 along with dependencies
to address reported vulnerabilities.

##### Changes by Kind

###### Bug or Regression

- Helm: Fix invalid YAML generated when both `webhook.config` and `webhook.volumes` are defined. (#8665, @cert-manager-bot)

###### Other (Cleanup or Flake)

- Bump go dependencies with reported vulnerabilities (#8704, @erikgb)
- Bump go to 1.26.2 (#8703, @erikgb)