CVE-2026-19868High· 7.5▾ Abyssal⚠ Exploited in the wild0dayPoC availableAn 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-enf…
▾ Abyssal zone — Critical with a public exploit or in-the-wild use
impact 41.3 · likelihood 0 · exploitation 25
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the CISA ADP record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Federal remediation due Nov 20, 2026
Exploit / PoC code exists
— → 7.5
none → high
Last analysed / modified upstream
Added to the CISA catalog on Nov 6, 2026. Federal remediation due Nov 20, 2026. View catalog ↗
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).
SonicOS 7.3.3-7015 and older versionsSonicOS 8.2.2-8015 and older versionsRefer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2024-40766Critical· 9.8An improper access control vulnerability has been identified in the SonicWall SonicOS management access, potentially leading to unauthorized resource access and in specific conditions, causing the firewall to crash
CVE-2026-77708Medium· 5.9A pre-authentication stack-based buffer overflow vulnerability has been identified in the SonicOS TACACS+ authentication client, which in specific conditions could potentially enable a remote unauthenticated attacker to cause an applicat…
CVE-2026-77709Medium· 5.9A pre-authentication heap-based buffer overflow vulnerability has been identified in the SonicOS TACACS+ authentication client, which in specific conditions could potentially enable a remote unauthenticated attacker to cause an applicati…
CVE-2026-19703Medium· 5.1A weak password hashing vulnerability has been identified on SonicOS virtual appliances, which in specific conditions could potentially enable an attacker with existing local access to disclose a platform credential
CVE-2026-107155High· 8.8A permissive cross-domain policy vulnerability has been identified in the SonicOS management interface, which in specific conditions could potentially enable a remote unauthenticated attacker to perform unauthorized operations.
CVE-2026-107154High· 8.8A 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.