Path Traversal in Devspace
CVE-2026-91200
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (51.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/devspace-sh/devspace/issues/3290 (issue-tracking)
- github.com/devspace-sh/devspace (product)
- github.com/devspace-sh/devspace/blob/7f272dcf90653fa9b42bc4347f7f3f9a52b0e8b5/p… (technical-description)
- github.com/devspace-sh/devspace/blob/7f272dcf90653fa9b42bc4347f7f3f9a52b0e8b5/p… (technical-description)
- www.vulncheck.com/advisories/devspace-through-6.3.21-path-traversal-via-tar-ext… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-91200?
- CVE-2026-91200 is a high-severity vulnerability in Devspace, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-09-14.
- How severe is CVE-2026-91200?
- High severity. CVSS v3 base score is 8.8 out of 10.