CVE-2026-110231 muCommander through 1.6.2 Path Traversal via Archive Extraction to FTP/SFTP
Attackers can write files outside the destination folder during archive extraction to FTP/SFTP, potentially overwriting sensitive files like SSH keys.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-110231?
CVE-2026-110231 is a medium-severity path traversal vulnerability in muCommander, published on 13 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
muCommander through 1.6.2 contains a path traversal vulnerability in UnpackJob that allows attackers to write files outside the destination folder by bypassing its ZipSlip check with unnormalized remote paths. Attackers can craft TAR or ZIP entries like ../../.ssh/authorized_keys that, when extracted to FTP or SFTP folders, create or overwrite files writable by the user's remote account.
Weakness: CWE-22
Which versions are affected by CVE-2026-110231?
How do I fix CVE-2026-110231?
No fix has been published for CVE-2026-110231 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-2026-110231 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110231 exists.
Sources
Also known as GHSA-p487-3q65-h494.