Description
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).
Published: 2026-11-06
Score: 7.5 High
EPSS: n/a
KEV: Yes
Impact: Authentication and MFA bypass
Action: Patch or Mitigate
AI Analysis

Impact

This vulnerability is an authentication enforcement flaw in the SSLVPN service of SonicOS that lets a user with valid credentials for an alternate authentication method bypass SAML authentication controls. The flaw may also allow bypass of SAML‑enforced multi‑factor authentication. CWE-308 indicates a weakness in validating the authenticity and authorization of authentication methods. The impact is unauthorized access to protected resources and compromise of the system’s integrity and confidentiality.

Affected Systems

Affects SonicWall SonicOS, specifically the SSLVPN service. No specific version information is provided in the advisory, so any affected product deployed with the vulnerable SSLVPN component may be at risk.

Risk and Exploitability

The exploit requires that the attacker obtains valid credentials for an alternate authentication method. The attack can be carried out remotely over the network where the SSLVPN service is exposed. Because SAML authentication and MFA can be bypassed, the severity of the vulnerability is high; however, a CVSS score is not disclosed. EPSS is not available and the vulnerability is not listed in the CISA KEV catalog. The lack of publicly disclosed patch details means the risk is mitigated only by applying vendor updates as they become available or by restricting access to the SSLVPN service and enforcing SAML MFA for all users.

Generated by OpenCVE AI on November 6, 2026 at 20:39 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply any available vendor patch or firmware upgrade for SonicOS that addresses the authentication enforcement issue.
  • Configure firewall or network segmentation to restrict access to the SSLVPN service to trusted IP ranges only.
  • Require SAML and MFA for all SSLVPN users and disable any alternative authentication methods that can be used to bypass them.
  • Enable detailed logging on the SSLVPN service and monitor for unauthorized authentication attempts or anomalous traffic patterns.

Generated by OpenCVE AI on November 6, 2026 at 20:39 UTC.

Tracking

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Advisories

No advisories yet.

History

Fri, 06 Nov 2026 21:30:00 +0000

Type Values Removed Values Added
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N'}


Fri, 06 Nov 2026 21:00:00 +0000

Type Values Removed Values Added
Title Authentication Enforcement Bypass in SonicOS SSLVPN Allowing SAML and MFA Bypass

Fri, 06 Nov 2026 20:00:00 +0000

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2026-11-06T00:00:00+00:00', 'dueDate': '2026-11-20T00:00:00+00:00'}


Fri, 06 Nov 2026 19:15:00 +0000

Type Values Removed Values Added
Description 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).
Weaknesses CWE-308
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: sonicwall

Published:

Updated: 2026-11-06T20:58:23.586Z

Reserved: 2026-08-14T11:22:12.231Z

Link: CVE-2026-19868

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-11-06T19:17:48.437

Modified: 2026-11-06T21:17:08.737

Link: CVE-2026-19868

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-06T20:45:07Z

Weaknesses
  • CWE-308

    Use of Single-factor Authentication