Exploited vulnerabilities / CVE-2026-19868
Confirmed exploited · exploited vulnerability · SonicWall SonicOS SSLVPNCVE-2026-19868
SonicWall SonicOS SSLVPN exploited vulnerability, confirmed exploited in the wild.
SonicWall SonicOS SSLVPN contains a use of single-factor authentication vulnerability that 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).
| CISA's name for it | SonicWall SonicOS SSLVPN Use of Single-factor Authentication Vulnerability |
|---|---|
| Vendor and product | SonicWall · SonicOS SSLVPN |
| Type | exploited vulnerability · CWE-308 |
| Exploited | Confirmed by CISA listed 6 November 2026 |
| Likelihood | scored lower by EPSS, but already confirmed exploited, which outranks any prediction |
| Deadline | 20 November 2026 · 7 days left |
| Used in ransomware | Not reported |
| Advisories | psirt.global.sonicwall.com ↗ · www.cisa.gov ↗ · www.cisa.gov ↗ · nvd.nist.gov ↗ |
Three steps, in this order
Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited.
If you cannot patch now, restrict network access to the affected product.
Check for signs of compromise since the date it was added to the list.
| CISA's 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. |
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Know before someone else finds it
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CVE-2026-19868 in short
Is CVE-2026-19868 being exploited?
Yes. CISA added CVE-2026-19868 to its Known Exploited Vulnerabilities catalogue on 6 November 2026, which it does only on evidence of exploitation in the wild.
What is the CISA deadline for CVE-2026-19868?
US federal agencies must remediate it by 20 November 2026. Everyone else should treat that date as the latest safe point to patch an internet-facing system.
How likely is CVE-2026-19868 to be exploited in the next 30 days?
FIRST's Exploit Prediction Scoring System gives it 0.5%, the 45th percentile of every CVE it scores.
How do I fix CVE-2026-19868?
Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited. If you cannot patch now, restrict network access to the affected product. Check for signs of compromise since the date it was added to the list.
Other SonicWall vulnerabilities being exploited
| CVE | Product | Type | Listed |
|---|---|---|---|
| CVE-2026-83548 | SMA1000 Appliances | server-side request forgery | 2 September 2026 |
| CVE-2026-83549 | SMA1000 Appliances | remote code execution | 2 September 2026 |
| CVE-2026-15409 | SMA1000 Appliances | server-side request forgery | 14 July 2026 |
| CVE-2026-15410 | SMA1000 Appliances | command injection | 14 July 2026 |
| CVE-2025-40602 | SMA1000 appliance | privilege escalation | 17 December 2025 |
Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.