CVE-2026-15409KEV · OVERDUECWE-918

SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability

Critical · published July 14, 2026

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 10.0. It is confirmed in active exploitation. It sits in the 94.0th percentile for exploit probability.

98
days past CISA
deadline
CVSS v3.1
10.0
EPSS
7%
Percentile
94.0
In the wild
Confirmed
What it is

🚨 A remote attacker could send your SMA1000 Appliance to make dangerous requests — no authentication needed! 🔥 Think of it as a pizza delivery guy who not only knows where you live but can also send pizzas to your neighbor's house without asking for permission. That's exactly what this SSRF vulnerability allows! This could lead to unauthorized access to sensitive internal resources, potentially exposing critical data or services. An attacker could direct the appliance to fetch information from systems it shouldn't, leaving your network vulnerable and your data at risk.

Put simply

Think of it as a pizza delivery guy who not only knows where you live but can also send pizzas to your neighbor's house without asking for permission. That's exactly what this SSRF vulnerability allows! This vulnerability allows an unauthenticated attacker to exploit the SMA1000 Appliance's request handling, tricking it into making requests to internal or external URLs that it shouldn't normally access.

What to do

This could lead to unauthorized access to sensitive internal resources, potentially exposing critical data or services. An attacker could direct the appliance to fetch information from systems it shouldn't, leaving your network vulnerable and your data at risk. Immediately patch to the latest version provided by the vendor. Disable any unnecessary services and implement network segmentation to reduce exposure. Regularly review and monitor logs for suspicious activities to catch any exploitation attempts early. You've got this! Follow these steps, and you're on your way to securing your appliance in no time. 🛡️

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.06795 · 94.0th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-07-14T19:39Z
KEV added
2026-07-14 · due 2026-07-17
EPSS history
Timeline
  • 25 SEP 03:24Z
    EPSS moved 85% → 7%
    epss
  • 14 JUL 19:39Z
    A Server-side request forgery (SSRF) vulnerability has been identified in the SMA1000 Appliance Work Place interface
    cvelistv5
  • 14 JUL 00:00Z
    Added to CISA KEV — remediate by Jul 17
    kev