PT-2026-86233 · Sonicwall · Network Security Manager

·

CVE-2026-81939

·

Published

2026-09-04

·

Updated

2026-09-07

CVSS v3.1

9.1

Critical

VectorAV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
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.

Path traversal

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

CVE-2026-81939

Affected Products

Network Security Manager