CVE-2026-66145 Path traversal in GMS
Unauthenticated attackers can achieve remote code execution and read sensitive data via Zip Slip vulnerability in SonicWall GMS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-66145?
CVE-2026-66145 is a critical path traversal vulnerability in SonicWall GMS, published on 11 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated remote code execution vulnerability was identified in GMS 9.5.1 (Build 9510.1044) and earlier versions which allows remote attacker to read sensitive data and perform arbitrary file write via zipslip.
Weakness: CWE-94
Which versions are affected by CVE-2026-66145?
How do I fix CVE-2026-66145?
No fix has been published for CVE-2026-66145 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-66145 being exploited?
There is no known exploitation of CVE-2026-66145 in the wild and no public exploit code.
Sources
Also known as GHSA-grvr-3pp5-mp37.