Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-76460

CVE-2026-76460CRITICAL

Cisco Identity Services Engine Authentication Bypass Vulnerability

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  C  H  H  H   10.0   .1403   96.5   YES

AFFECTED
  Product                                  Versions    Fixed
  Cisco Identity Services Engine Software  3.1.0 p8 –  —
  Cisco ISE Passive Identity Connector     3.4.0 –     —

TIMELINE
  Aug 19  Reserved by cisco
  Sep 16  ADDED TO KEV — CVE-2026-76460 (Cisco Identity Services Engine Software). Remediation due September 19, 2026.
  Sep 16  Published (CNA: cisco)
  Sep 20  DUE DATE PASSED — CVE-2026-76460 (Cisco Identity Services Engine Software). CISA remediation deadline was September 19, 2026; still in catalog.

CWE-648 · CNA: cisco · CVSS v3.1 · 2 references · NVD status: Analyzed · KEV due September 19, 2026

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.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
August 19, 2026	Reserved	Reserved by cisco
September 16, 2026	KEV ADDED	ADDED TO KEV — CVE-2026-76460 (Cisco Identity Services Engine Software). Remediation due September 19, 2026.
September 16, 2026	Published	Published (CNA: cisco)
September 20, 2026	DUE DATE PASSED	DUE DATE PASSED — CVE-2026-76460 (Cisco Identity Services Engine Software). CISA remediation deadline was September 19, 2026; still in catalog.

Affected

Affected products and packages — 2 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Cisco	Cisco Identity Services Engine Software	—	3.1.0 p8	—
Cisco	Cisco ISE Passive Identity Connector	—	3.4.0	—

Weaknesses

CWE-648

References (2)

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ISE-ABP-VNSW7Tn5 [Mitigation, Vendor Advisory]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76460 [US Government Resource]

Authoritative record: CVE-2026-76460 at cve.org

Vendors: cisco

Weaknesses: CWE-648

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-76460 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.