Cisco ISE API XXE Remote File Read
CVE-2026-76446 Published on September 16, 2026

Cisco Identity Services Engine External Entity Injection Vulnerability
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.

NVD

Vulnerability Analysis

CVE-2026-76446 is exploitable with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
NONE
Availability Impact:
NONE

Weakness Type

What is a XXE Vulnerability?

The software processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

CVE-2026-76446 has been classified to as a XXE vulnerability or weakness.


Products Associated with CVE-2026-76446

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Cisco Identity Services Engine Software
 

Affected Versions

Cisco Identity Services Engine Software: Cisco ISE Passive Identity Connector: