Threats tagged 'ghsa-x989-w3qv-v3x5'

CVE-2026-20176 is a critical vulnerability in Cisco ISE that allows an authenticated attacker with high-privileged administrative credentials to execute arbitrary commands on the underlying operating system. Exploitation requires sending a crafted HTTP request due to insufficient validation of user input. Successful exploitation can lead to system-level access with root privileges and may cause denial of service in single-node deployments, preventing new endpoint authentications until recovery.