Is CVE-2026-76409 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-76409 being exploited in the wild.

How severe is CVE-2026-76409?

High severity, with a CVSS score of 8.8, published 16 September 2026.

Which products and versions are affected?

Cisco Nexus Dashboard 4.2 and earlier.

Is there a fix for CVE-2026-76409?

A patch was published on 2026-09-16: Fixed releases available: Nexus Dashboard 4.3.1.175 and later Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-76409 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-76409?

Check whether you run Cisco Nexus Dashboard at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-76409: Cisco Nexus Dashboard path traversal and weak access controls

CVE-2026-76409 · Severity: high · CVSS 8.8 · Published 2026-09-16

Cisco Nexus Dashboard, a centralized management platform for Cisco data center infrastructure, contains multiple security vulnerabilities grouped under a comprehensive hardening release. These vulnerabilities span path traversal attacks, missing authentication, command injection, and improper access controls, potentially allowing attackers to bypass security restrictions, execute arbitrary commands, or access sensitive configuration data. The vulnerabilities were discovered during internal security review and are not currently known to be exploited in the wild, but patches are available and customers should upgrade immediately.

Technologies: Cisco Nexus Dashboard. Vendors: Cisco.

Quick answers

Is CVE-2026-76409 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-76409 being exploited in the wild.
How severe is CVE-2026-76409?: High severity, with a CVSS score of 8.8, published 16 September 2026.
Which products and versions are affected?: Cisco Nexus Dashboard 4.2 and earlier.
Is there a fix for CVE-2026-76409?: A patch was published on 2026-09-16: Fixed releases available: Nexus Dashboard 4.3.1.175 and later Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-76409 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-76409?: Check whether you run Cisco Nexus Dashboard at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

This advisory groups six related vulnerabilities (CVE-2026-76409, CVE-2026-20322, CVE-2026-20325, CVE-2026-20326, CVE-2026-20360, CVE-2026-20361) across multiple CWE categories including path traversal (CWE-22), improper access control (CWE-284), command injection (CWE-77), missing authentication (CWE-306), information disclosure (CWE-200), and SQL injection (CWE-89). The primary CVE-2026-76409 involves improper path limitation allowing directory traversal attacks. The vulnerabilities require authentication in most cases (indicated by CVSS profile AV:N/AC:L/PR:L) and are exploitable over the network. Cisco has released patched versions (Nexus Dashboard 4.3.1.175 and later) with no workarounds available; customers must upgrade from releases 4.2 and earlier.

Affected products

Cisco Nexus Dashboard 4.2 and earlier

Timeline

2026-09-16: disclosed: Security advisory published by Cisco PSIRT
2026-09-16: patched: Fixed releases available: Nexus Dashboard 4.3.1.175 and later

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-ndw1-psFvnrg

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