CVE-2026-19868: SonicWall SonicOS SSLVPN Use of Single-factor Authentication Vulnerability
Vulnerability summary
CVE-2026-19868 is a high (CVSS 7.5) Use of Single-factor Authentication vulnerability in SonicWall SonicOS SSLVPN. It is known to be exploited: CISA lists it, first on 06-11-2026. EPSS estimates a 0.62% chance of exploitation in the next 30 days, higher than 50% of scored vulnerabilities.
Listed as exploited by CISA (06-11-2026)
Source freshness unavailable
How is this decided?Timeline
- 06-11-2026PublishedVulnerability first disclosed.
- 06-11-2026Added to CISA KEVExploitedSonicWall SonicOS SSLVPN Use of Single-factor Authentication Vulnerability
- 07-11-2026Last modifiedVulnerability information updated.
- 20-11-2026CISA remediation dueUpcomingApply mitigations per vendor instructions.
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).
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.5HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
EPSS trend
Probability
0.62%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
Known exploited
Compare KEV catalogs- Added
- 06-11-2026
- Federal due date
- 20-11-2026
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
CISA 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. psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0014 nvd.nist.gov/vuln/detail/CVE-2026-19868
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Sonicwall1 product
- sonicos7.3.3-7015 and older versions | 8.2.2-8015 and older versions
1 vendor · 1 product
References
2 links- psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0014Vendor Advisory