What is GHSA-8249-x575-f5g2?

GHSA-8249-x575-f5g2 is a security advisory published by GitHub Security Advisories with Critical severity. A Zip Slip vulnerability in the SonicWall Network Security Manager (NSM) On-Prem file upload and...

Which CVE IDs does GHSA-8249-x575-f5g2 cover?

GHSA-8249-x575-f5g2 covers the following CVE IDs: CVE-2026-81939. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-8249-x575-f5g2?

GHSA-8249-x575-f5g2 has a CVSS v3 base score of 9.1, published by GitHub Security Advisories.

GHSA-8249-x575-f5g2CriticalCVSS 9.1

A Zip Slip vulnerability in the SonicWall Network Security Manager (NSM) On-Prem file upload and...

Vendor

GitHub Security Advisories

Published

September 4, 2026

Last Modified

September 4, 2026

🔗 CVE IDs covered (1)

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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-81939
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0015
https://github.com/advisories/GHSA-8249-x575-f5g2