CVE-2026-54250

CVE-2026-54250 affects K3s by a ZIP archive path traversal in the etcd snapshot decompression. Before versions 1.35.3+k3s1, 1.34.6+k3s1, and v1.33.10+k3s1, a crafted ZIP member can be written to arbitrary filesystem locations when restoring an etcd snapshot, due to the decompression process. Impa...

CVE-2026-54250: Improper Limitation of a Pathname to a Restricted Directory

K3s is a fully conformant production-ready Kubernetes distribution. Prior to 1.35.3+k3s1, 1.34.6+k3s1, v1.33.10+k3s1, a path traversal vulnerability exists in K3s's etcd snapshot decompression functionality. Zip files containing archive members with maliciously crafted names can be written to...