CVE-2026-15687

Path traversal via non-tar copyDirectoryFromPod

Published Jul 23, 2026 CVSS 3.0 · 2.7 Low EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Workaround

Prior to upgrading, this vulnerability can be mitigated by ensuring you only copy files from trusted pods, or by ensuring tar is available in the container to use the secure tar-based copy path.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Kubernetes
Kubernetes java
Vendors & Products Kubernetes
Kubernetes java
Type Values Removed Values Added
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.
Title Path traversal via non-tar copyDirectoryFromPod
Weaknesses CWE-22
References
Metrics cvssV3_0

{'score': 2.7, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
kubernetes
Published
Updated
Jul 23, 2026, 7:03 PM
Reserved
Jul 13, 2026, 11:31 PM
Status
Awaiting Analysis
Published
Jul 23, 2026, 7:16 PM
Modified
Oct 24, 2026, 1:10 PM