# CVE-2026-76460: Cisco Identity Services Engine Authentication Bypass Vulnerability

> CVE-2026-76460: Cisco Identity Services Engine Authentication Bypass Vulnerability. CVSS 10.0 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2026-76460
Last updated: 2026-10-07T19:17:40Z

- Published: 2026-09-16 20:12 UTC · Updated: 2026-10-07 19:17 UTC · Assigner: cisco
- CVSS: 10.0 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS: 75.6%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2026-09-16, federal due date 2026-09-19, ransomware use: Unknown
- CWE: CWE-648

## Description

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.

## CISA required action

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.

## Affected vendors and products

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

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-76460)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-76460)
- [https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ISE-ABP-VNSW7Tn5](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ISE-ABP-VNSW7Tn5)

---

_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


---
Canonical: https://rewindex.com/cve/CVE-2026-76460 · Markdown: https://rewindex.com/cve/CVE-2026-76460.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-76460 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:15:59.829Z