CVE-2026-15409: SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability

Added to the CISA Known Exploited Vulnerabilities catalog on 14 Jul 2026. Vendor: SonicWall. Product: SMA1000 Appliances.

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.

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. (due 17 Jul 2026)