CVE-2026-20032CWE-653

CVE-2026-20032

Medium · published October 7, 2026

CVSS v3.1
4.4
EPSS
0%
Percentile
1.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.4 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00108 · 1.1th percentile
Weakness
CWE-653 · Improper Isolation or Compartmentalization
Published
2026-10-07T21:16Z
References (1)
EPSS history
Timeline
  • 09 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 07 OCT 16:11Z
    Cisco NX-OS Software Python Sandbox Escape Vulnerability
    cvelistv5