CVE-2026-28406 kaniko has tar archive path traversal in build context extraction allows writing files outside destination directory

kaniko is a tool to build container images from a Dockerfile, inside a container or Kubernetes cluster. Starting in version 1.25.4 and prior to version 1.25.10, kaniko unpacks build context archives using filepath.Joindest, cleanedName without enforcing that the final path stays within dest. A ta...