CVE-2026-19868: SonicWall SonicOS SSLVPN (High, CVSS 7.5)

Remote Attacker
CVE-2026-19868HighKEVPublic exploitSonicWall SonicOS SSLVPN
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

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.