Patch nowWhy this label: added to the catalog 2 days ago

CVE-2026-19868SonicWall SonicOS SSLVPN Use of Single-factor Authentication Vulnerability

Product: SonicWall SonicOS SSLVPN
Added to CISA KEV: November 6, 2026
Deadline for US federal agencies: November 20, 2026
Known ransomware use: Not known
EPSS, next 30 days: 0.6%, higher than 50% of scored CVEs (Nov 7, 2026)
Weakness: CWE-308

What CISA says

SonicWall SonicOS SSLVPN contains a use of single-factor authentication vulnerability that may allow a user with valid credentials for an alternate authentication method to bypass SAML authentication controls. Successful exploitation may also bypass SAML-enforced multi-factor authentication (MFA).

What CISA asks you to do

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.

Sources

Also exploited recently

Data from CISA's Known Exploited Vulnerabilities catalog (public domain) and FIRST EPSS, refreshed hourly. Rheono did not find or test this vulnerability; this page summarizes public sources.