CVE-2026-15687 Path traversal via non-tar copyDirectoryFromPod
A compromised pod can write files to arbitrary locations on the client machine during copy operations if tar compression is disabled.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-15687?
CVE-2026-15687 is a low-severity path traversal vulnerability in kubernetes-client/java, published on 23 Jul 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-15687?
How do I fix CVE-2026-15687?
No fix has been published for CVE-2026-15687 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-15687 being exploited?
There is no known exploitation of CVE-2026-15687 in the wild and no public exploit code.
Sources
Also known as GHSA-95wq-2cx3-rp73.