CVE-2026-76460Cisco Identity Services Engine Authentication Bypass Vulnerability
A vulnerability in an API of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to bypass authentication. This vulnerability is due to insufficient authentication control on an API endpoint. An attacker could exploit this vulnerability by sending a crafted request to an affected API endpoint. A successful exploit could allow the attacker to gain unauthorized access to the affected device by bypassing the web-based management interface.
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 10.0 | CRITICAL | 3.1cisco (CNA) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
CISA required action
⚡ Known exploited · remediation due Sep 19, 2026
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Details
- CVE ID
- CVE-2026-76460
- Status
- Analyzed
- Assigner (CNA)
- cisco
- Published
- Sep 16, 2026
- Last modified
- 2026-10-07 19:17 UTC
- Weaknesses
- CWE-648 · Incorrect Use of Privileged APIs
Affected Products
As published by the CNA in the CVE record.
CiscoCisco Identity Services Engine Software30 version ranges
- 3.1.0 p8
- 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 2
- 3.3 Patch 7
- 3.4 Patch 3
- 3.5.0
- 3.4 Patch 4
- 3.3 Patch 8
- 3.2 Patch 8
- 3.5 Patch 1
- 3.3 Patch 9
- 3.2 Patch 9
- 3.4 Patch 5
- 3.5 Patch 3
- 3.5 Patch 2
- 3.3 Patch 10
- 3.3 Patch 11
- 3.4 Patch 6
- 3.2 Patch 10
- 3.1.0 p11
CiscoCisco ISE Passive Identity Connector2 version ranges
- 3.4.0
- 3.5.0