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Releases

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

May 2026Clear ×Project: containerdClear ×
containerdv2.3.1Kubernetes CoreMay 20, 2026

A maintenance release focused on runtime correctness and security, including fixes across snapshotter, storage, and server components. It also contains compatibility changes and updates to the API and Go toolchain.

Action needed (1)

  • securityhighCVE-2026-46680 correction

    The fix for CVE-2026-46680 ships in this release.

Check if affected (1)

  • breakingThe overlayfs "rebase" capability, disabled in user namespaces

    Applies if you use overlayfs and run in a user namespace.

    The overlayfs "rebase" capability is disabled when running in a user namespace.

Plan ahead (1)

  • deprecatedTask fields in Runc options, deprecated

    Applies if you configure task fields in Runc options.

    Task fields in Runc options are deprecated in this release.

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