CVE-2026-28406
kaniko is a tool to build container images from a Dockerfile, inside a container or Kubernetes cluster.
Published Feb 27, 2026 · updated Jul 15, 2026 · chainguard kaniko
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 without enforcing that the final path stays within . A tar entry like escapes the extraction root and writes files outside the destination directory. In environments with registry authentication, this can be chained with docker credential helpers to achieve code execution within the executor process. Version 1.25.10 uses securejoin for path resolution in tar extraction.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Feb 27, 2026 · NIST NVD
Detected
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 without enforcing that the final path stays within . A tar entry like escapes the extraction root and writes files outside the destination directory. In environments with registry authentication,
Jul 15, 2026 · NIST NVD
Updated
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 without enforcing that the final path stays within . A tar entry like escapes the extraction root and writes files outside the destination directory. In environments with registry authentication,
Affected
- cpe chainguard/kanikoversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-28406
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2026-28406
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 without enforcing that the final path st
nvd.nist.gov