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
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
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.
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,
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.