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CVE-2026-91200
Description
DevSpace through 6.3.21 fails to reject parent-directory segments in tar entry names from the in-pod sync stream. Attackers operating a malicious container can stream tar entries with traversal sequences to write arbitrary files on the developer workstation, enabling code execution.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HReferences
- https://github.com/devspace-sh/devspace
- https://github.com/devspace-sh/devspace/blob/7f272dcf90653fa9b42bc4347f7f3f9a52b0e8b5/pkg/devspace/sync/tar.go#L68-L82
- https://github.com/devspace-sh/devspace/blob/7f272dcf90653fa9b42bc4347f7f3f9a52b0e8b5/pkg/devspace/sync/util.go#L9-L11
- https://github.com/devspace-sh/devspace/issues/3290
- https://www.vulncheck.com/advisories/devspace-through-6.3.21-path-traversal-via-tar-extraction