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CVE-2026-19868

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).

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Listed
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Nsa 2700 Nsa 2800 Nsa 3700 and 36 more
CVE-2026-0204

Access Control Bypass in SonicOS Management Functions

A vulnerability in the access control mechanism of SonicOS may allow certain management interface functions to be accessible under specific conditions.

CVSS 3.1 · 8 High EPSS < 1% KEV · Not listed
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Nsa 2650 Nsa 2700 Nsa 2800 and 61 more
CVE-2026-0205

Post-Authentication Path Traversal in SonicOS Enabling Restricted Service Access

A post-authentication Path Traversal vulnerability in SonicOS allows an attacker to interact with usually restricted services.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
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Nsa 2650 Nsa 2700 Nsa 2800 and 61 more
CVE-2026-0206

Post‑Authentication Buffer Overflow in SonicOS Causes Firewall Crash

A post-authentication Stack-based Buffer Overflow vulnerabilities in SonicOS allows a remote attacker to crash a firewall.

CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
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Nsa 2650 Nsa 2700 Nsa 2800 and 61 more