Critical severity · published Sep 16, 2026
CVE-2026-20326
Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Missing Authentication for Critical Function
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CN
Cisco Nexus Dashboard · Cisco
2.1(1d); 2.1(1e); 2.1(2d); 2.2(1h); 2.2(1e); 2.2(2d); +23 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-20326
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-20326
sec.cloudapps.cisco.com
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ndw1-psFvnrg
More from Cisco Nexus Dashboard
9.9
CVE-2026-20325
Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Improper Neutralization of Special Elements used in a Command
9.9
CVE-2026-20322
Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Improper Access Control
8.8
CVE-2026-20360
Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Information Exposure & Insecure Handling
8.8
CVE-2026-76409
Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Improper Limitation of a Pathname
8.8
CVE-2026-20361
Cisco Nexus Dashboard Software Security Hardening Release September 2026 - SQL Injection