---
title: "CVE-2026-76471: Cisco NX-OS - Command Injection"
description: "Cisco NX-OS Software contains a command injection vulnerability in the NX-API due to insufficient input validation, letting unauthenticated remote attackers execute arbitrary code with root privileges or cause denial of service, exploit requires sending crafted HTTP requests."
url: https://panop.io/threat-heartbeat/CVE-2026-76471/
---

# CVE-2026-76471 Cisco NX-OS - Command Injection

Cisco NX-OS Software contains a command injection vulnerability in the NX-API due to insufficient input validation, letting unauthenticated remote attackers execute arbitrary code with root privileges or cause denial of service, exploit requires sending crafted HTTP requests.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.52% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-76471)

## Details

Type

Command Injection

Impact

Remote Code Execution, Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

7 October 2026

Updated

15 October 2026

Weakness

[CWE-122](https://cwe.mitre.org/data/definitions/122.html)

## Vendor fix

Update to the latest Cisco NX-OS Software version that addresses this vulnerability.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-76471](https://nvd.nist.gov/vuln/detail/CVE-2026-76471)
- [https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-napi-rce-r2shwu2j](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-napi-rce-r2shwu2j)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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