Summary
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).
- Vendor
- SonicWall
- Product
- SonicOS SSLVPN
- Added to KEV
- Nov 6, 2026
- Remediation due
- Nov 20, 2026 (US federal deadline)
- Ransomware use
- Not known
- Weakness
- CWE-308
- EPSS
- 0.5% as of Nov 12
In the news · last mention Nov 9
In national CERT advisories
- SonicWall Patches CVE-2026-19868 Vulnerability, Risk of Attack on VPN and MFA Authentication Systems TH
ThaiCERT (Thai) · Nov 11, 2026 - CISA warns SonicOS SSL VPN vulnerability is being actively exploited, risking MFA bypass TH ThaiCERT (Thai) · Nov 9, 2026
- SonicWall SonicOS Multiple Vulnerabilities
HKCERT security bulletins · Nov 9, 2026
Linked
Actors named alongside it:
Incidents exploiting it:
References