CVE-2026-15687

Published: Jul 23, 2026Modified: Oct 24, 2026

2.4

Vector

CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N

Exploitability: 0.9 / Impact: 1.4

Source: jordan@liggitt.net (Secondary)

Description

A security issue was discovered in the Kubernetes Java client library where a compromised pod may be able to create new files in arbitrary locations on the client machine executing copy operations via non-tar copyDirectoryFromPod when enableTarCompressing is false.

Related CWEs

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (1)

https://github.com/kubernetes-client/java/issues/4861

Source: jordan@liggitt.net

Timeline

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