CVE-2026-19868
High7.5CISA KEV — exploited in the wildSonicWall SonicOS SSLVPN Use of Single-factor Authentication Vulnerabilityname from CISA KEV
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).
- CVSS
- 7.5v3.1
- EPSS (exploit probability)
- Unavailable
- CISA KEV
- Listed
EPSS trendFIRST daily scores, last 90 days
CISA KEV entrycatalogue 2026.11.06
- Date added
- 2026-11-06
- Federal due date
- 2026-11-20
- Known 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.
Verbatim from the CISA KEV catalogue (CISA KEV, fetched 2026-11-06 21:20 UTC). The due date applies to US federal agencies under BOD 22-01.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
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