A vulnerability in the Python interpreter of Cisco NX-OS Software could allow an authenticated, local attacker with low privileges to escape the Python sandbox and gain unauthorized access to the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by manipulating specific functions within the Python interpreter. A successful exploit could allow an attacker to escape the Python sandbox and execute arbitrary commands on the underlying operating system with the privileges of the authenticated user.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Cisco
  • Nx-os Software

No data.

No data.

References
Link Providers
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-mppe-dhKZAFgb cve-icon cve-icon
History

Sun, 11 Oct 2026 12:30:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco nx-os Software
Vendors & Products Cisco
Cisco nx-os Software

Wed, 07 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 07 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Description A vulnerability in the Python interpreter of Cisco NX-OS Software could allow an authenticated, local attacker with low privileges to escape the Python sandbox and gain unauthorized access to the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by manipulating specific functions within the Python interpreter. A successful exploit could allow an attacker to escape the Python sandbox and execute arbitrary commands on the underlying operating system with the privileges of the authenticated user.
Title Cisco NX-OS Software Python Sandbox Escape Vulnerability
Weaknesses CWE-653
References
Metrics cvssV3_1

{'score': 4.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published: 2026-10-07T16:11:55.157Z

Updated: 2026-10-07T19:23:47.285Z

Reserved: 2025-10-08T11:59:15.353Z

Link: CVE-2026-20032

cve-icon Vulnrichment

Updated: 2026-10-07T19:18:56.122Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-07T17:16:54.480

Modified: 2026-10-08T20:08:45.857

Link: CVE-2026-20032

cve-icon Redhat

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