CVE-2026-19868

SonicWall SonicOS SSLVPN Use of Single-factor Authentication Vulnerability

  • High 7.5
  • Exploited: added to CISA KEV 6 Nov 2026

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).

Key facts

Published
6 Nov 2026
Last changed
7 Nov 2026
Assigned by
sonicwall
KEV added
6 Nov 2026
KEV fix due
20 Nov 2026
EPSS
0.532% likely to be exploited in the next 30 days, higher than 45.524% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: partial

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 7.5CVSS 3.1, Highfrom CISA (ADP container)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N

What 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.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
SonicWallSonicOS
  • Default status: unknown
  • 7.3.3-7015 and older versions (affected)
  • 8.2.2-8015 and older versions (affected)

Timeline

  1. 6 Nov 2026 CVE-2026-19868 added to CISA KEV
  2. 6 Nov 2026 Added to the CISA KEV catalogue
  3. 6 Nov 2026 Published

Weakness

Related coverage

References