Releases — RATATOSK

cert-managerv1.21.1SecurityJul 29, 2026

cert-manager v1.21.1 is a maintenance release with fixes for regressions and updates to dependencies affected by reported security vulnerabilities. The dependency updates concern all installations, while the regression fixes address controller behavior and require no setup change.

Action needed (4)

securityThe golang.org/x/text dependency, updated to v0.40.0
The golang.org/x/text dependency is updated to v0.40.0 to fix a reported security vulnerability.
securityThe google.golang.org/grpc dependency, updated to v1.82.1
The google.golang.org/grpc dependency is updated to v1.82.1 to fix a reported security vulnerability.
securityThe github.com/google/cel-go dependency, updated to v0.29.0
The github.com/google/cel-go dependency is updated to v0.29.0 to fix a reported security vulnerability.
securityThe go.opentelemetry.io/otel dependency, updated to v1.44.0
The go.opentelemetry.io/otel dependency is updated to v1.44.0 to fix a reported security vulnerability.

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