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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-76439

Cisco Identity Services Engine Event Injection Vulnerability

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Cisco Cisco Identity Services Engine Software

Default version status: unknown

  • 3.1.0affected
  • 3.1.0 p1affected
  • 3.1.0 p3affected
  • 3.1.0 p2affected
  • 3.2.0affected
  • 3.1.0 p4affected
  • 3.1.0 p5affected
  • 3.2.0 p1affected
  • 3.1.0 p6affected
  • 3.2.0 p2affected
  • 3.1.0 p7affected
  • 3.3.0affected
  • 3.2.0 p3affected
  • 3.2.0 p4affected
  • 3.1.0 p8affected
  • 3.2.0 p5affected
  • 3.2.0 p6affected
  • 3.1.0 p9affected
  • 3.3 Patch 2affected
  • 3.3 Patch 1affected
  • 3.3 Patch 3affected
  • 3.4.0affected
  • 3.2.0 p7affected
  • 3.3 Patch 4affected
  • 3.4 Patch 1affected
  • 3.1.0 p10affected
  • 3.3 Patch 5affected
  • 3.3 Patch 6affected
  • 3.4 Patch 2affected
  • 3.3 Patch 7affected
  • 3.4 Patch 3affected
  • 3.5.0affected
  • 3.4 Patch 4affected
  • 3.3 Patch 8affected
  • 3.2 Patch 8affected
  • 3.5 Patch 1affected
  • 3.3 Patch 9affected
  • 3.2 Patch 9affected
  • 3.4 Patch 5affected
  • 3.5 Patch 3affected
  • 3.5 Patch 2affected
  • 3.3 Patch 10affected
  • 3.3 Patch 11affected
  • 3.4 Patch 6affected
  • 3.2 Patch 10affected
  • 3.1.0 p72affected
  • 3.1.0 p11affected

Cisco Cisco ISE Passive Identity Connector

Default version status: unknown

  • 3.2.0affected
  • 3.1.0affected
  • 3.3.0affected
  • 3.4.0affected
  • 3.5.0affected

References