What happened
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-2026-76409 are related to improper limitation of a pathname issues that are grouped under the Common Weakness Enumeration (CWE) CWE-22.
Affected versions
Cisco Nexus Dashboard: 2.1(1d); 2.1(1e); 2.1(2d); 2.2(1h); 2.2(1e); 2.2(2d); 2.1(2f); 2.3(1c); 2.3(2b); 2.3(2c); 2.3(2d); 2.3(2e); 3.0(1f); 3.0(1i); 3.1(1k); 3.1(1l); 3.2(1e); 3.2(1i); 3.3(1a); 3.3(1b); 3.3(2b); 4.0(1i); 3.3(2g); 3.2(2f); 3.2(2g); 3.2(2m); 3.1(1n); 4.1(1g); 4.2.1 Fixed: See vendor advisory.
Why it matters
Review the vendor advisory and exposure of the affected product to determine operational impact.
Detection & mitigation
- Apply vendor-provided updates or mitigations.
- Review affected product exposure and access logs.
Public PoC references
No public PoC reference has passed the current publication threshold.