CVE-2026-81939

critical · 9.1

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.

9.1

CVSS

0.7%

EPSS (exploit prob.)

52nd

EPSS percentile

2026-09-04

Published

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Weaknesses

CWE-22

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-81939