Auth bypass in Cisco Nexus Dashboard
CVE-2026-20326
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Nexus Dashboard engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20326 are related to missing authentication for critical function issues that are grouped under the Common Weakness Enumeration (CWE) CWE-306.
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cisco Nexus Dashboard — versions 2.1(1d), 2.1(1e), 2.1(2d)
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-20326?
- CVE-2026-20326 is a critical-severity vulnerability in Cisco Nexus Dashboard, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-09-16.
- How severe is CVE-2026-20326?
- Critical severity. CVSS v3 base score is 9.8 out of 10.