Cisco NX-OS Python sandbox escape flaw patched, no workarounds
Cisco disclosed CVE-2026-20032, a medium-severity vulnerability in the Python interpreter of NX-OS Software. An authenticated, low-privileged local attacker with Python execution privileges could manipulate interpreter functions to escape the Python sandbox and run arbitrary commands on the underlying operating system. Cisco released software updates fixing the flaw; no workarounds exist.
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