CVE-2026-15687

Publication date 23 July 2026

Last updated 7 August 2026

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
kubernetes	26.04 LTS resolute	Not in release
	24.04 LTS noble	Not affected
	22.04 LTS jammy	Not affected
	20.04 LTS focal	Not affected

Notes

leosilva

kubernates is in fact a kubernetes installer that calls snap, not the package it self.

Severity score breakdown

CVSS version: CVSS v3.0

Base score 2.4 · Low

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	High
User interaction	Required
Scope	Unchanged
Confidentiality impact	None
Integrity impact	Low
Availability impact	None

Scores

Parameter	Value
Base score	2.4 · Low
Exploitability score	-
Impact score	-

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

References

Other references

https://www.cve.org/CVERecord?id=CVE-2026-15687