CVE-2026-78328 Missing authorization in Network Security Manager (NSM)
A lower-privileged Admin user can escalate privileges to SuperAdmin in SonicWall NSM due to missing authorization checks.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-78328?
CVE-2026-78328 is a critical missing authorization vulnerability in SonicWall Network Security Manager (NSM), published on 4 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A missing authorization vulnerability in the SonicWall Network Security Manager (NSM) On-Prem Management interface allows a lower-privileged Admin user to escalate privileges to SuperAdmin.
Weakness: CWE-862
Which versions are affected by CVE-2026-78328?
How do I fix CVE-2026-78328?
No fix has been published for CVE-2026-78328 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-78328 being exploited?
There is no known exploitation of CVE-2026-78328 in the wild and no public exploit code.
Sources
Also known as GHSA-h2gj-x3qg-39wj.