CVE-2026-91200 DevSpace through 6.3.21 Path Traversal via tar extraction
Attackers can write arbitrary files on developer workstations via malicious tar entries, enabling code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-91200?
CVE-2026-91200 is a high-severity path traversal vulnerability in devspace, published on 14 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-91200?
How do I fix CVE-2026-91200?
No fix has been published for CVE-2026-91200 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-91200 being exploited?
There is no known exploitation of CVE-2026-91200 in the wild and no public exploit code.
Sources
Also known as GHSA-67r3-rpfh-8h3r.