CVE-2026-19868
SonicWall SonicOS SSLVPN Use of Single-factor Authentication Vulnerability
SonicWall SonicOS SSLVPN
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 6 November 2026. US federal agencies were required to remediate it by 20 November 2026.
Frequently asked questions
Is CVE-2026-19868 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2026-19868.
What does CVE-2026-19868 affect?
CVE-2026-19868 affects SonicWall SonicOS SSLVPN.
How severe is CVE-2026-19868?
It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 20 November 2026.
How should organisations respond to CVE-2026-19868?
Apply the vendor patch for SonicWall SonicOS SSLVPN as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.