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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00303.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Cisco Cisco Identity Services Engine Software unknown
Version Status Constraints
3.1.0 affected —
3.1.0 p1 affected —
3.1.0 p3 affected —
3.1.0 p2 affected —
3.2.0 affected —
3.1.0 p4 affected —
3.1.0 p5 affected —
3.2.0 p1 affected —
3.1.0 p6 affected —
3.2.0 p2 affected —
3.1.0 p7 affected —
3.3.0 affected —
3.2.0 p3 affected —
3.2.0 p4 affected —
3.1.0 p8 affected —
3.2.0 p5 affected —
3.2.0 p6 affected —
3.1.0 p9 affected —
3.3 Patch 2 affected —
3.3 Patch 1 affected —
3.3 Patch 3 affected —
3.4.0 affected —
3.2.0 p7 affected —
3.3 Patch 4 affected —
3.4 Patch 1 affected —
3.1.0 p10 affected —
3.3 Patch 5 affected —
3.3 Patch 6 affected —
3.4 Patch 2 affected —
3.3 Patch 7 affected —
3.4 Patch 3 affected —
3.5.0 affected —
3.4 Patch 4 affected —
3.3 Patch 8 affected —
3.2 Patch 8 affected —
3.5 Patch 1 affected —
3.3 Patch 9 affected —
3.2 Patch 9 affected —
3.4 Patch 5 affected —
3.5 Patch 3 affected —
3.5 Patch 2 affected —
3.3 Patch 10 affected —
3.3 Patch 11 affected —
3.4 Patch 6 affected —
3.2 Patch 10 affected —
3.1.0 p72 affected —
3.1.0 p11 affected —
Cisco Cisco ISE Passive Identity Connector unknown
Version Status Constraints
3.2.0 affected —
3.1.0 affected —
3.3.0 affected —
3.4.0 affected —
3.5.0 affected —

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Cisco Subscribe
Identity Services Engine Passive Identity Connector Subscribe
Identity Services Engine Software Subscribe

Project Subscriptions

Vendors Products
Cisco Subscribe
Identity Services Engine Passive Identity Connector Subscribe
Identity Services Engine Software Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-multiauth-bypass-sgD2HbL4 cve-icon cve-icon
History

Thu, 17 Sep 2026 21:15:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco identity Services Engine Passive Identity Connector
Cisco identity Services Engine Software
Vendors & Products Cisco
Cisco identity Services Engine Passive Identity Connector
Cisco identity Services Engine Software

Thu, 17 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 16 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
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.
Title Cisco Identity Services Engine External Entity Injection Vulnerability
Weaknesses CWE-611
References
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-09-17T14:04:23.756Z

Reserved: 2026-08-19T12:02:03.636Z

Link: CVE-2026-76446

cve-icon Vulnrichment

Updated: 2026-09-17T14:03:43.387Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-16T21:17:20.597

Modified: 2026-09-18T13:28:28.567

Link: CVE-2026-76446

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-17T21:45:16Z

Weaknesses