CVE-2026-19868
Description
An authentication enforcement vulnerability in SonicOS SSLVPN service 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).
Known exploited (CISA KEV)
- Name
- SonicWall SonicOS SSLVPN Use of Single-factor Authentication Vulnerability
- Date added
- 2026-11-06
- Due date
- 2026-11-20 (for US federal agencies)
- Ransomware use
- unknown
- 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.
- 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).
Affected products
| Vendor | Product | Versions |
|---|---|---|
| SonicWall | SonicOS | 7.3.3-7015 and older versions; 8.2.2-8015 and older versions |
References
External links from the record. They lead to third-party sites.