# CVE-2026-91200

## Summary

- **CVE ID:** CVE-2026-91200
- **Severity:** HIGH
- **CVSS Score:** 8.8 (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)
- **CWE:** CWE-22
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 15, 2026

## 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.

## Affected Products

- devspace — devspace (0)

## References

- [CNA](https://github.com/devspace-sh/devspace/issues/3290)
- [CNA](https://github.com/devspace-sh/devspace)
- [CNA](https://github.com/devspace-sh/devspace/blob/7f272dcf90653fa9b42bc4347f7f3f9a52b0e8b5/pkg/devspace/sync/tar.go#L68-L82)
- [CNA](https://github.com/devspace-sh/devspace/blob/7f272dcf90653fa9b42bc4347f7f3f9a52b0e8b5/pkg/devspace/sync/util.go#L9-L11)
- [CNA](https://www.vulncheck.com/advisories/devspace-through-6.3.21-path-traversal-via-tar-extraction)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.42%
- **EPSS Percentile:** 35.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._