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Cisco Identity Services Engine Event Injection Vulnerability

CVSS 3.1 5.3 MEDIUMCheck source for fixed versionsKEV status unknown

cve-program · CVE-2026-76439

Published

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.

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Affected versions, risk and source history

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CVE-2026-76439 · CVE overview and exploitation status

cve-program · CVE-2026-76439

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Sources read 13 Nov 04:05 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current