Cisco ISE Vulnerability Let Remote attacker Access Sensitive Data
Cisco patched CVE-2026-20029, a critical XXE vulnerability in ISE/ISE-PIC allowing authenticated admins to access sensitive files. All versions before 3.5 are affected. No attacks detected yet, but proof of concept exists. Immediate patching urged for enterprise environments.
Tappy Admin
2 min read
Jan 11, 2026
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#Cisco ISE vulnerability
#CVE-2026-20029
#Cisco security patch
#XXE vulnerability
#Identity Services Engine
#ISE-PIC
#network security
#Cisco PSIRT
#enterprise security
#zero trust
#XML external entity
#cybersecurity update
#Cisco ISE patch
#network access control
#critical vulnerability
#security advisory
#Cisco upgrade
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