CVE-2026-19868: SonicWall SonicOS SSLVPN (High, CVSS 7.5)
- CVSS
- 7.5 High (v3.1)
- EPSS
- 0.6% chance of exploitation in the next 30 days (higher than 50% of CVEs)
- Exploited in the wild
- Yes, on CISA’s KEV list since Nov 6, 2026
- Public exploit
- Yes, reported in 2 GitHub repositories
- Weakness
- CWE-308
- Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N- Published
- Nov 6, 2026
- CISA fix-by date
- Nov 20, 2026 (for US federal agencies)
What it is
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).
Description from the National Vulnerability Database.
What to do
CISA: 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
Check whether you run SonicWall SonicOS SSLVPN, then apply the vendor’s fix or mitigation from the advisories below. Because this flaw is exploited or has public exploit code, treat it as urgent and check for signs of compromise, not just the patch level.
Advisories and fixes
ThreatRoundup coverage
CVE Watch: SSHole Hands Root to Long Passwords on Alpine SSH
Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.