CVE-2026-76409 Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Improper Limitation of a Pathname
An attacker can exploit improper pathname limitations in Cisco Nexus Dashboard to access or modify unauthorized files.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-76409?
CVE-2026-76409 is a high-severity path traversal vulnerability in Cisco Nexus Dashboard, published on 16 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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-2026-76409 are related to improper limitation of a pathname issues that are grouped under the Common Weakness Enumeration (CWE) CWE-22.
Weakness: CWE-22
Which versions are affected by CVE-2026-76409?
How do I fix CVE-2026-76409?
No fix has been published for CVE-2026-76409 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-76409 being exploited?
There is no known exploitation of CVE-2026-76409 in the wild and no public exploit code.
Sources
Also known as GHSA-7qx8-g893-529w.