Vulnerabilities

Vulnerability · CVE-2026-28406

kaniko is a tool to build container images from a Dockerfile, inside a container or Kubernetes cluster.

Published Feb 27, 2026 · catalog updated Jul 15, 2026 · kaniko is a tool

Check if you run it

No confirmed exploitation is on record for CVE-2026-28406. EPSS is 0.85%. Act only if a listed version of kaniko is a tool is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (kaniko is a tool).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.2
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.85%
Remediation
Advisory link
Affected products
cpe 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe chainguard/kanikoversion unspecified

How to fix CVE-2026-28406

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-28406. EPSS is 0.85%. Act only if a listed version of kaniko is a tool is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-22: Path Traversal. EPSS 0.85%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. 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,

  2. 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,

Sources

  • CVE.orgVulnerability recordCVE-2026-28406

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-28406

    30-day exploitation probability 0.9%

    first.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

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.