CVE-2026-91200

HIGHCVSS 8.8/10

Last modified

CVE-2026-91200 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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..

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
devspacedevspace<= 6.3.21

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is 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.
How severe is CVE-2026-91200?
CVE-2026-91200 has a CVSS score of 8.8/10 (HIGH severity).
How do I fix CVE-2026-91200?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST