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2 vulnerabilities by k3s-io
CVE-2026-54250 (GCVE-0-2026-54250)
Vulnerability from nvd – Published: 2026-06-25 17:56 – Updated: 2026-06-26 18:42
VLAI
Title
K3s: ZIP Archive Path Traversal Vulnerability in etcd Snapshot Decompression
Summary
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 arbitrary locations on the filesystem when an administrator restores the archive as a compressed etcd snapshot. This vulnerability is fixed in 1.35.3+k3s1, 1.34.6+k3s1, v1.33.10+k3s1.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/k3s-io/k3s/security/advisories… | x_refsource_CONFIRM |
Impacted products
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CVE-2026-54250 (GCVE-0-2026-54250)
Vulnerability from cvelistv5 – Published: 2026-06-25 17:56 – Updated: 2026-06-26 18:42
VLAI
Title
K3s: ZIP Archive Path Traversal Vulnerability in etcd Snapshot Decompression
Summary
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 arbitrary locations on the filesystem when an administrator restores the archive as a compressed etcd snapshot. This vulnerability is fixed in 1.35.3+k3s1, 1.34.6+k3s1, v1.33.10+k3s1.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/k3s-io/k3s/security/advisories… | x_refsource_CONFIRM |
Impacted products
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