CVE-2026-19868
SonicWall — SonicWall SonicOS SSLVPN Use of Single-factor Authentication Vulnerability
SonicWall · CWE-308 · in CISA KEV since 2026-11-06
EVRS 75 of 100 Urgent
Patch This Cycle
Rank 1,769 of 3,376 tracked
Raised to the floor for a confirmed exploited vulnerability.
Why it scores 75
Evidence available: 5 of 7 signalsListed in the CISA KEV catalog, and added to CISA KEV within the last 30 days.
- CISA KEVApplied
- RansomwareDid not apply
- Vendor exploitationDid not apply
- EPSSNo data
- Microsoft Exploitability IndexNot applicable
- Pre-patch disclosureNo data
- KEV recencyApplied
- CVSSApplied
The band answers “how soon”, not “how bad”. No data for: EPSS, Pre-patch disclosure.
Fix
No fixed version identified yetCISA required action
- psirt.global.sonicwall.com/…/SNWLID-2026-0014
- BOD 26-04
- Forensics Triage Requirements
- nvd.nist.gov/…/CVE-2026-19868
Affected versions
SonicWall / SonicOS SSLVPN
Remediation
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.
Evidence
Each value with its source| Measure | Value | Source |
|---|---|---|
| CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. | 7.5 | NVD |
| FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. | Not published | FIRST EPSS |
| Actively exploitedWhether a source of record has confirmed attacks using it in the wild. | Confirmed | CISA KEV |
| Ransomware campaign useWhether CISA has seen ransomware operators use it. | Unknown or none | CISA KEV |
| CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. | 2026-11-20 · CISA federal deadline in 14 days | CISA KEV |
| Public exploit moduleA module existing is not the same as active exploitation. | None known | Metasploit |
| EUVD cross-referenceENISA's record: CVSS 7.5 (v3.1), assigned by sonicwall. | Listed | ENISA EUVD |
Description
NVDAn 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).
What CISA says to do