CVE-2026-83548

Server-Side Request Forgery in SonicWall SMA1000 Appliances. CISA confirmed attackers exploit it and added it to its Known Exploited Vulnerabilities catalog on 2 September 2026.

Product
SonicWall SMA1000 Appliances
Added to CISA's catalog
Federal fix-by date
Ransomware
No known use in ransomware campaigns

CISA’s description.

SonicWall SMA1000 Appliances contains a server-side request forgery vulnerability that could allow a remote unauthenticated attacker to gain unauthorized access to sensitive functionality and perform unauthorized operations.

Every flaw CISA confirmed exploited in the last 30 days is on the exploit watch. This is not security advice. Check the vendor’s advisory before acting. From CISA’s catalog of 4 November 2026.