Critical severity9.1NVD Advisory· Published Sep 4, 2026· Updated Sep 4, 2026

CVE-2026-81939

Description

A Zip Slip vulnerability in the SonicWall Network Security Manager (NSM) On-Prem file upload and archive processing functionality allows an attacker to extract files outside the intended destination directory using a specially crafted archive.

Affected products

SonicWall/Network Security Manager On-Premllm-fuzzy

Patches

Vulnerability mechanics

References

psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0015nvd

News mentions

No linked articles in our index yet.

cvss	0.591
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000