GO-2026-5973 K3s: ZIP Archive Path Traversal Vulnerability in etcd Snapshot Decompression in github.com/k3s-io/k3s

K3s: ZIP Archive Path Traversal Vulnerability in etcd Snapshot Decompression in github.com/k3s-io/k3s. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from...

Path Traversal

github.com/k3s-io/k3s is vulnerable to Path Traversal. The vulnerability is due to improper validation of file paths in the etcd snapshot decompression functionality when restoring compressed ZIP-based snapshots, which allows an attacker to craft archive entries with malicious file names that wri...

EUVD-2026-39512

K3s: ZIP Archive Path Traversal Vulnerability in etcd Snapshot Decompression...

GHSA-JXR7-MQHW-9P98 K3s: ZIP Archive Path Traversal Vulnerability in etcd Snapshot Decompression

Summary A path traversal vulnerability exists in K3s's etcd snapshot decompression functionality. Zip files containing archive members with maliciously crafted names e.g., ../../../../etc/password can be written to arbitrary locations on the filesystem when an administrator restores the archive a...

K3s: ZIP Archive Path Traversal Vulnerability in etcd Snapshot Decompression

Summary A path traversal vulnerability exists in K3s's etcd snapshot decompression functionality. Zip files containing archive members with maliciously crafted names e.g., ../../../../etc/password can be written to arbitrary locations on the filesystem when an administrator restores the archive a...

PT-2026-58973

Summary A path traversal vulnerability exists in K3s's etcd snapshot decompression functionality. Zip files containing archive members with maliciously crafted names e.g., ../../../../etc/password can be written to arbitrary locations on the filesystem when an administrator restores the archive a...

SUSE CVE-2026-54250

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...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal in the etcd snapshot decompression process. An attacker can overwrite arbitrary files on the filesystem by supplying a ZIP archive containing entries with specially crafted file paths when an administrator restores a...

CVE-2026-54250

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...

CVE-2026-54250

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...

CVE-2026-54250 K3s: ZIP Archive Path Traversal Vulnerability in etcd Snapshot Decompression

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...

CVE-2026-54250 K3s: ZIP Archive Path Traversal Vulnerability in etcd Snapshot Decompression

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...

PT-2026-52538

Name of the Vulnerable Software and Affected Versions K3s versions prior to 1.35.3+k3s1 K3s versions prior to 1.34.6+k3s1 K3s versions prior to 1.33.10+k3s1 Description A path traversal issue exists in the etcd snapshot decompression functionality. This occurs when an administrator restores a...