CVE-2026-81939

Name of the Vulnerable Software and Affected Versions SonicWall Network Security Manager (NSM) On-Prem (affected versions not specified)

Description A Zip Slip issue exists in the file upload and archive processing functionality. This allows an attacker to extract files outside the intended destination directory by using a specially crafted archive. Zip Slip is a type of directory traversal attack that occurs when an application extracts files from an archive without properly validating the destination path.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.