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CVE-2026-19868VulnerabilityPublished

SonicOS SSLVPN service may · Authentication Enforcement Vulnerability

Affects SonicWall SonicOS SSLVPNSource GCVE Database

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Authoritative record:CVE-2026-19868· High 7.5

Exploited in the wild · KEV due 20 Nov 2026 : apply the vendor's fix or mitigations to SonicWall SonicOS SSLVPN now.

Data as of 6 Nov 2026, 22:43 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CISA-ADPCVSS 3.17.5
KEV deadline
 US federal agencies must patch by this date; a sensible deadline for everyone else. Other KEV due dates
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 6 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: evidence found.

    Listed in CISA KEV the same day as disclosure

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by SonicWall, Inc.

    , 84 days before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. In Threat Radar

    record ingested

    , 16 minutes after disclosure

  4. , the same day as disclosure

  5. KEV remediation due

    US federal deadline

    , 14 days after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 6 Nov 2026.

What to do

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.

Affected software

ProductAffectedFixed in
SonicWallSonicOSAffected
  • =7.3.3-7015 and older versions
  • =8.2.2-8015 and older versions
Fixed in–

Check the firmware or software version for SonicWall SonicOS SSLVPN in the device's admin interface against the vendor advisory.

Description

CVE-2026-19868 is an authentication enforcement vulnerability in the SonicOS SSLVPN service. It allows a user with valid credentials for an alternate authentication method to bypass SAML authentication controls, including SAML-enforced multi-factor authentication (MFA). This could lead to unauthorized access with high confidentiality impact but limited integrity impact. The vulnerability has a CVSS score of 7.5, indicating high severity.

References

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