CVE-2026-76460: A critical Cisco ISE authentication bypass under active exploitation
Cisco has disclosed a critical authentication bypass affecting Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC). Tracked as CVE-2026-76460, the vulnerability allows an unauthenticated, remote attacker to send a crafted request to an affected API endpoint and bypass the web-based management interface. The vulnerability received the highest possible CVSS v3.1 score of 10.0.