Vulnerability · Published Jul 23, 2026 · Assigned by kubernetes
CVE-2026-15687Path traversal via non-tar copyDirectoryFromPod
Low 2.7
In plain English
A low-severity path traversal in kubernetes-client/java from Kubernetes. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).
Severity (CVSS 3.0)2.7Low
Exploit odds (30 days)0.4%top 68.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Kubernetes | kubernetes-client/java | 10.0.0 – before 25.0.126.0.0 |
Weakness: CWE-22 · Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
References
- https://github.com/kubernetes-client/java/issues/4861 issue-tracking