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Medium · 4.9 CVE-2026-76446 EUVD-2026-81159GHSA-757m-6669-crwx

Cisco Identity Services Engine External Entity Injection Vulnerability

Published Sep 16, 2026 · Updated Sep 17, 2026 · Assigned by cisco

Description

A vulnerability in an API of Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to read specific files on the underlying operating system of an affected device.

This vulnerability is due to improper restriction of XML external entity references. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to read specific files on the affected system that the underlying process has permission to access.

Affected products

VendorProductAffectedFixed
Cisco Cisco Identity Services Engine Software 3.1.0, 3.1.0 p1, 3.1.0 p3, 3.1.0 p2, 3.2.0, 3.1.0 p4, 3.1.0 p5, 3.2.0 p1, 3.1.0 p6, 3.2.0 p2, 3.1.0 p7, 3.3.0, 3.2.0 p3, 3.2.0 p4, 3.1.0 p8, 3.2.0 p5, 3.2.0 p6, 3.1.0 p9, 3.3 Patch 2, 3.3 Patch 1, 3.3 Patch 3, 3.4.0, 3.2.0 p7, 3.3 Patch 4, 3.4 Patch 1, 3.1.0 p10, 3.3 Patch 5, 3.3 Patch 6, 3.4 Patch… —
Cisco Cisco ISE Passive Identity Connector 3.2.0, 3.1.0, 3.3.0, 3.4.0, 3.5.0 —

Advisories 1

References