CVE-2026-76439

Name of the Vulnerable Software and Affected Versions Cisco ISE (affected versions not specified)

Description An issue exists in the endpoint posture status reporting functionality of the guest portal web application. This is caused by insufficient authentication on an internal interface exposed through the guest portal, which allows an unauthenticated remote attacker to submit forged posture status events into the endpoint posture pipeline by sending a crafted request. A successful exploit enables the attacker to manipulate the posture status on the affected system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.