CVE-2026-20326 Cisco Nexus Dashboard - Authentication Bypass

Cisco Nexus Dashboard contains missing authentication for critical functions caused by lack of proper access controls, letting attackers perform unauthorized actions, exploit requires access to the system.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
EPSS
0.39% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
16 September 2026
Updated
15 October 2026
Weakness
CWE-306

Vendor fix

Update to the latest software hardening release from Cisco Nexus Dashboard.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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