HIGH · CVSS 7.5 ACTIVELY EXPLOITED PATCH AVAILABLE

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

Read our report: SonicWall SonicOS SSLVPN flaw bypasses SAML login and MFA →

Facts
Vendor	SonicWall
Product	SonicOS SSLVPN
CVSS score	7.5 · CVSS 3.1 · HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
EPSS	0.5% (percentile 45)
Actively exploited	Yes, according to CISA KEV
Added to CISA KEV	6 Nov 2026
CISA federal deadline	20 Nov 2026
Weakness (CWE)	CWE-308
NVD published	6 Nov 2026
NVD last modified	9 Nov 2026
NVD status	Analyzed

Affected versions

Product	Affected versions	Fixed in
Sonicwall Sonicos	before 7.3.4-7015	7.3.4-7015
Sonicwall Sonicos	before 8.2.2-8015	8.2.2-8015

Required action (CISA's text)

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.

Description (NVD)

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).

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

Affected versions

Required action (CISA's text)

Description (NVD)

Vendor advisories

SOURCES

Other SonicWall flaws