CVE-2026-20032

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.

Weakness: CWE-653

Affected products

Vendor advisory

The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from

References

• cisco-sa-nxos-mppe-dhKZAFgb