Medium 4.7Published Oct 13, 2026

CVE-2026-110231muCommander through 1.6.2 Path Traversal via Archive Extraction to FTP/SFTP

Updated under an hour ago (Oct 27, 2026, 2:00 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for muCommander

Exploited in the last 30 days

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.

CVSS: 4.7 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Weakness (CWE): CWE-22
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Awaiting Analysis
Record last updated: Oct 26, 2026
First seen by InfoSec Signals: Oct 13, 2026

Affected products

Affected products

muCommander muCommander mucommander:mucommander (from the name)	through 1.6.2	CNA record

References

References

https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/ryH-CfoiMl	third-party-advisory
https://github.com/mucommander/mucommander/blob/3bc2118e13681a8018b84a06f1c5fea4a3f940f7/mucommander-core/src/main/java/com/mucommander/job/impl/UnpackJob.java#L233-L256	technical-description
https://github.com/mucommander/mucommander/blob/3bc2118e13681a8018b84a06f1c5fea4a3f940f7/mucommander-commons-file/src/main/java/com/mucommander/commons/file/AbstractFile.java#L1021-L1023	technical-description
https://github.com/mucommander/mucommander/blob/3bc2118e13681a8018b84a06f1c5fea4a3f940f7/mucommander-protocol-sftp/src/main/java/com/mucommander/commons/file/protocol/sftp/SFTPFile.java#L586-L622	technical-description
https://github.com/mucommander/mucommander/releases/tag/1.6.2-1	release-notes
https://www.vulncheck.com/advisories/mucommander-through-1.6.2-path-traversal-via-archive-extraction-to-ftp-sftp	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.