CVE-2026-19868: SonicWall SonicOS SSLVPN Use of Single-factor Authentication Vulnerability
In CISA KEV since 2026-11-06. High advisory severity.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
CVE-2026-19868 key facts
- CISA KEV
- Listed on · federal remediation due
- Highest advisory severity
- High
- Vendor advisories
- 2 from SonicWall
- VulniPulse record
- Published · Updated
Is CVE-2026-19868 exploited?
Yes. CISA lists CVE-2026-19868 in its Known Exploited Vulnerabilities catalog (added ), which means CISA has evidence of exploitation in the wild.
How do I fix CVE-2026-19868?
CISA 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.
The tracked advisories that cover only this CVE do not list a fixed release yet. That does not mean no fix exists; check each vendor source below.
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Vendor advisory comparison
SonicWall
2 advisories- Advisory severityHigh8.8
High [CVE-2026-107154 +6] SonicOS: session validation vulnerability has been identified in the SonicOS management interface, which in specific conditions could…
SNWLID-2026-0014Source published Source updated
This bulletin covers 7 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
A session validation vulnerability has been identified in the SonicOS management interface, which in specific conditions could potentially enable a remote unauthenticated attacker to perform unauthorized operations. Affected products named by the advisory: SSL-VPN.
- Related products — impact not confirmed
- SonicOS
- SSL-VPN
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- A session validation vulnerability has been identified in the SonicOS management interface, which in specific conditions could potentially enable a remote unauthenticated attacker to perform unauthorized operations.
- Advisory severityUnrated
Advisory [CVE-2026-19868] authentication enforcement vulnerability in SonicOS SSLVPN service may allow a user with valid credentials for an alternate authentication method to bypass SAML authentication controls
CVE-2026-19868Source published Source updated
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).
- Affected products in this advisory
- SonicOS
- Source-reported affected versions
- SonicOS 7.3.3-7015 and older versions
- SonicOS 8.2.2-8015 and older versions
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
More SonicWall advisories
- CVE-2026-19703Nov 6, 2026weak password hashing vulnerability has been identified on SonicOS virtual appliances
- CVE-2026-77709Nov 6, 2026pre-authentication heap-based buffer overflow vulnerability has been identified
- CVE-2026-77708Nov 6, 2026pre-authentication stack-based buffer overflow vulnerability has been identified
- CVE-2026-19868Nov 6, 2026authentication enforcement vulnerability in SonicOS SSLVPN service may allow a user
- CVE-2026-82308Nov 6, 2026pre-authentication heap-based buffer overflow vulnerability has been identified
- CVE-2026-107154Nov 6, 2026session validation vulnerability has been identified in the SonicOS management interface
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