Releases

AI-analyzed release notes for CNCF graduated and incubating projects.

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All AI & ML CI/CD & App Delivery Kubernetes Core Networking & Messaging Observability Orchestration & Management Provisioning & Runtime Security Storage & Data

Mar 2026Clear ×Project: ContourClear ×

Contourv1.33.3Networking & MessagingMar 23, 2026

ACTION 2CHECK 1OTHER 1View full analysis

A maintenance release with security-related dependency updates and removal of the hostPort setting from example manifests. It also documents compatibility testing with Kubernetes 1.32 through 1.34.

Action needed (2)

securitycriticalgoogle.golang.org/grpc v1.79.3 update
google.golang.org/grpc is updated to v1.79.3, which addresses CVE-2026-33186 and GHSA-p77j-4mvh-x3m3. Contour is not affected by this advisory.
securityEnvoy v1.35.9 update
The Envoy dependency is updated to v1.35.9 to address security vulnerabilities.

Check if affected (1)

breakingRemoval of hostPort: 8002 from example manifests
Applies if you use hostPort in example manifests.
The hostPort: 8002 Envoy metrics setting is removed from example manifests.

Source ↗

Contourv1.32.4Networking & MessagingMar 23, 2026

ACTION 2CHECK 1OTHER 1View full analysis

A maintenance release with updated Envoy and gRPC dependencies, plus a change to the example manifests. It is tested against Kubernetes 1.31 through 1.33.

Action needed (2)

securitycriticalgoogle.golang.org/grpc updated to v1.79.3
google.golang.org/grpc is updated to v1.79.3, which addresses CVE-2026-33186 and GHSA-p77j-4mvh-x3m3. Contour is not affected.
securityEnvoy updated to v1.34.13
Envoy is updated to v1.34.13 to address security vulnerabilities and improve stability.

Check if affected (1)

breakinghostPort: 8002 removed from example manifests
Applies if hostPort: 8002 is configured in example manifests.
The Envoy metric configuration hostPort: 8002 is removed from example manifests.

Source ↗

Contourv1.31.5Networking & MessagingMar 23, 2026

ACTION 2CHECK 1OTHER 1View full analysis

A maintenance release contains dependency security updates and an example-manifest cleanup. It also documents testing against Kubernetes 1.30 through 1.32.

Action needed (2)

securitycriticalgoogle.golang.org/grpc updated to v1.79.3 for CVE-2026-33186
The release updates google.golang.org/grpc to v1.79.3, which addresses CVE-2026-33186 and GHSA-p77j-4mvh-x3m3. Contour is not affected.
securityEnvoy updated to v1.34.13
The release bumps Envoy to v1.34.13.

Check if affected (1)

breakingEnvoy metrics hostPort: 8002 removed from example manifests
Applies if example manifests use hostPort: 8002.
Envoy metrics hostPort: 8002 are removed from example manifests.

Source ↗

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