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Vulnerability record · CVE-2026-81939 · published 4 September 2026

CVE-2026-81939: Path traversal vulnerability

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 3.1 Critical EPSS 0.68% · top 49.6% CWE-22 · Path traversal Awaiting Analysis
9.1CVSS 3.1 base score
0.68%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
8 Sep 2026Last modified by NVD

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.

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

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-81939), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.