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.
Cisco NX-OS Software Python Sandbox Escape Vulnerability
About this summary. This is a short, independently written summary of an article first published by Cisco PSIRT. Cyber Security News did not report or verify the underlying story. Read the original: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-mppe-dhKZAFgb?vs_f=Cisco%20Security%20Advisory%26vs_cat%3DSecurity%20Intelligence%26vs_type%3DRSS%26vs_p%3DCisco%20NX-OS%20Software%20Python%20Sandbox%20Escape%20Vulnerability%26vs_k%3D1
Source attribution: headline and facts are from Cisco PSIRT (sec.cloudapps.cisco.com). Summary method: excerpt of the source description. See our source attribution policy.
Related coverage
Cisco Secure Email & PAN-OS Zero-Days Exploited
Cisco Secure Email & PAN-OS Zero-Days Exploited Cisco and Palo Alto Networks have patched two actively exploited zero-day vulnerabilities that can lead to root-level…
Cisco Urges Customers to Patch Email Gateway Flaw and Check for Compromise
Attackers exploit a critical Cisco email gateway flaw to gain root access. Cisco urges customers to update scanner tools and check for compromise. Cisco confirmed this…
NCSC-2026-0429 [1.00] [H/H] Kwetsbaarheid verholpen in Cisco Secure Email Gateway
Cisco heeft een kwetsbaarheid verholpen in Cisco Secure Email Gateway, specifiek in de Advanced Malware Protection feature. De kwetsbaarheid bevindt zich in de wijze…
Cisco Secure Email Gateway Arbitrary File Write Vulnerability
A vulnerability in the Advanced Malware Protection (AMP) feature of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to write arbitrary files…
Microsoft Patches More Than 1,400 Security Flaws
Microsoft today issued updates to fix more than 1,400 security vulnerabilities in its Windows operating systems and other software. Today’s epic patch batch dwarfs…
Cisco UCS and UCS-Based Appliances UEFI Shell Secure Boot Bypass Vulnerability
A vulnerability in the Unified Extensible Firmware Interface (UEFI) Shell implementation of Cisco UCS Servers and UCS-based appliances could allow an authenticated…