BaseFortify

Publication date: 2026-09-16

Last updated on: 2026-09-18

Assigner: Cisco Systems, Inc.

Description

A vulnerability in the endpoint posture status reporting functionality of the guest portal web application of Cisco ISE could allow an unauthenticated, remote attacker to submit forged posture status events into the endpoint posture pipeline. This vulnerability is due to insufficient authentication on an internal interface that is exposed through the guest portal. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to manipulate the posture status on the affected system.

CVSS Scores

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Meta Information

Published

2026-09-16

Last Modified

2026-09-18

Generated

2026-09-20

EPSS Evaluated

N/A

NVD

CVE-2026-76439

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

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