Vulnerability in SonicWall Sonicos

CVE-2026-19868

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).

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

  • SonicWall Sonicos — versions 7.3.3-7015 and older versions, 8.2.2-8015 and older versions

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

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.

References

Frequently asked questions

What is CVE-2026-19868?
CVE-2026-19868 is a high-severity vulnerability in SonicWall Sonicos, classified under Use of Single-factor Authentication. CVSS score: 7.5/10. Published 2026-11-06.
How severe is CVE-2026-19868?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2026-19868 known to be exploited?
Yes. CVE-2026-19868 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-11-06), indicating it is being actively exploited.