Source-backed version compatibility

Cilium Kubernetes Version Compatibility

Cilium Kubernetes version compatibility. Cilium 1.20 docs list Kubernetes 1.33, 1.34, 1.35, and 1.36 as e2e tested and guaranteed compatible.

4Project versions

4Documented constraints

2026-07-31Last verified

Quick answer

Kubernetes compatibility by Cilium version

Cilium version

Documented Kubernetes versions

>=1.33 <1.37

Cilium 1.20 docs list Kubernetes 1.33, 1.34, 1.35, and 1.36 as e2e tested and guaranteed compatible.

high confidence · verified 2026-07-31 · runtime

Cilium version

Documented Kubernetes versions

>=1.32 <1.36

Cilium 1.19 stable docs list Kubernetes 1.32, 1.33, 1.34, and 1.35 as e2e tested and guaranteed compatible.

high confidence · verified 2026-07-08 · runtime

Cilium version

Documented Kubernetes versions

>=1.30 <1.34

Cilium 1.18 docs list Kubernetes 1.30, 1.31, 1.32, and 1.33 as e2e tested and guaranteed compatible.

high confidence · verified 2026-07-08 · runtime

Cilium version

Documented Kubernetes versions

>=1.29 <1.33

Cilium 1.17 docs list Kubernetes 1.29, 1.30, 1.31, and 1.32 as e2e tested and guaranteed compatible.

high confidence · verified 2026-07-08 · runtime

Primary evidence

Every constraint above is backed by upstream documentation, tagged source, release notes, or another project-owned primary source.