What is 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).
Timeline
- 2026-11-06Published to the U.S. National Vulnerability Database (NVD)
- 2026-11-06Added to the CISA Known Exploited Vulnerabilities (KEV) catalog
- 2026-11-07First covered in a defend.network daily briefing
- 2026-11-07NVD record last updated
- 2026-11-20CISA federal remediation deadline (BOD 22-01)
CISA Known Exploited Vulnerability
SonicWall SonicOS SSLVPN Use of Single-factor Authentication Vulnerability
Affected product
SonicWall SonicOS SSLVPN
Remediation Steps
- Cross-reference your systems against CISA's Known Exploited Vulnerabilities catalog
- Identify affected products and versions in use within your environment
- Apply vendor patches as soon as they become available
- Monitor CISA KEV updates for remediation guidance
References
Referenced in our briefings & reports
Related vulnerabilities
- CVE-2026-83548 – SonicWall SMA1000 Appliances (same vendor)
- CVE-2026-83549 – SonicWall SMA1000 Appliances (same vendor)
- CVE-2026-15409 – SonicWall SMA1000 Appliances (same vendor)
- CVE-2026-15410 – SonicWall SMA1000 Appliances (same vendor)
Browse all tracked CVEs in the defend.network CVE database →
🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.