๐Ÿ” CVE Alert

CVE-2026-81939

CRITICAL 9.1
CVSS Score
9.1
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-22
Vendor sonicwall
Product network security manager (nsm)
Published Sep 4, 2026
Last Updated Sep 4, 2026
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Affected Versions

SonicWall / Network Security Manager (NSM)
4.3.0 and earlier versions

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
psirt.global.sonicwall.com: https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0015

Credits

Andrei Lungu of Pentest-Tools.com