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GO-2026-5973

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

Details

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 vulnerability scanners, please suggest an edit to the report.)

The additional affected modules and versions are: github.com/k3s-io/k3s before v1.33.10, from v1.34.0-rc1 before v1.34.6, from v1.35.0-rc1 before v1.35.3.

Are you affected?

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Affected packages

Go / github.com/k3s-io/k3s

Introduced in: 0

No fixed version published yet for github.com/k3s-io/k3s (go modules). Pin to a known-safe version or switch to an alternative.

References

https://github.com/k3s-io/k3s/security/advisories/GHSA-jxr7-mqhw-9p98 [ADVISORY]
https://nvd.nist.gov/vuln/detail/CVE-2026-54250 [ADVISORY]