Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since July 14, 2026.
CVE-2026-15409
SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
SonicWall · SMA1000 Appliances
Published July 21, 2026
What happened
SonicWall SMA1000 Appliances contain a server-side request forgery vulnerability that could allow a remote unauthenticated attacker to potentially cause the appliance to make requests to unintended location.
What it means for your business
SonicWall SMA1000 Appliances is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-15409). SonicWall SMA1000 Appliances contain a server-side request forgery vulnerability that could allow a remote unauthenticated attacker to potentially cause the appliance to make requests to unintended location. CISA remediation due date: 2026-07-17. PremierePC tracks KEV alerts for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.
Required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA due date: July 17, 2026
Sources
Related briefs
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