Cisco APIC API Command Injection Flaw Lets Authenticated Admins Run Root Commands
Cisco disclosed CVE-2026-20321, a command injection vulnerability in the web-based management API of Cisco Application Policy Infrastructure Controller (APIC). An authenticated remote attacker with valid administrative credentials can send crafted input to execute arbitrary commands as root due to insufficient input validation. Cisco released software updates; no workarounds exist. Severity is rated Medium.
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