High severity · published Sep 14, 2026
CVE-2026-91200
DevSpace through 6.3.21 Path Traversal via tar extraction
8.8
CVSS
0.7%
EPSS
No
On KEV
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:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DE
devspace · devspace
through 6.3.21 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-91200
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-91200
github.com
https://github.com/devspace-sh/devspace
github.com
https://github.com/devspace-sh/devspace/blob/7f272dcf90653fa9b42bc4347f7f3f9a52b0e8b5/pkg/devspace/sync/tar.go#L68-L82
github.com
https://github.com/devspace-sh/devspace/blob/7f272dcf90653fa9b42bc4347f7f3f9a52b0e8b5/pkg/devspace/sync/util.go#L9-L11
github.com
https://github.com/devspace-sh/devspace/issues/3290
www.vulncheck.com
https://www.vulncheck.com/advisories/devspace-through-6.3.21-path-traversal-via-tar-extraction
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