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Vulnerability record · CVE-2026-91200 · published 14 September 2026

CVE-2026-91200: Path traversal vulnerability

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.

8.7 CVSS 4.0 High EPSS 0.65% · top 50.8% CWE-22 · Path traversal Deferred
8.7CVSS 4.0 base score
0.65%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
23 Sep 2026Last modified by NVD

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:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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

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Source: NIST National Vulnerability Database (record CVE-2026-91200), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.