Server-Side Request Forgery (SSRF) in SonicWall SMA 1000 - CVE-2026-83548
Published: September 2, 2026
Vulnerability identifier: #VU146659
CSH Severity: Critical
CVSS v4: 10 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H]
CVE-ID: CVE-2026-83548
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to gain unauthorized access to sensitive functionality and perform unauthorized operations.
The vulnerability exists due to server-side request forgery in the SMA1000 Appliance Work Place interface when handling requests through an unintended alternate access path. A remote attacker can send crafted requests to gain unauthorized access to sensitive functionality and perform unauthorized operations.
The issue is pre-authentication and involves an unintended forward-proxy behavior.
Note, the vulnerability is being actively exploited in the wild.
Affected software
SonicWall SMA 1000
How to mitigate CVE-2026-83548
Install security update from vendor's website.
SonicWall SMA 1000 - addressed in versions 12.4.3-03526, 12.5.0-02952