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Critical

Cisco Identity Services Engine Authentication Bypass Vulnerability

Type: advisorySource: Official CVE ListKnown exploited1 source record

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.

Announced Group revision 1
Original source ↗

CVE-2026-76460

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-76460

Cisco Identity Services Engine Software

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Cisco ISE Passive Identity Connector

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Cisco",
    "product": "Cisco Identity Services Engine Software",
    "versions": [
      {
        "status": "affected",
        "version": "3.1.0 p8"
      },
      {
        "status": "affected",
        "version": "3.1.0 p9"
      },
      {
        "status": "affected",
        "version": "3.3 Patch 2"
      },
      {
        "status": "affected",
        "version": "3.3 Patch 1"
      },
      {
        "status": "affected",
        "version": "3.3 Patch 3"
      },
      {
        "status": "affected",
        "version": "3.4.0"
      },
      {
        "status": "affected",
        "version": "3.2.0 p7"
      },
      {
        "status": "affected",
        "version": "3.3 Patch 4"
      },
      {
        "status": "affected",
        "version": "3.4 Patch 1"
      },
      {
        "status": "affected",
        "version": "3.1.0 p10"
      },
      {
        "status": "affected",
        "version": "3.3 Patch 5"
      },
      {
        "status": "affected",
        "version": "3.3 Patch 6"
      },
      {
        "status": "affected",
        "version": "3.4 Patch 2"
      },
      {
        "status": "affected",
        "version": "3.3 Patch 7"
      },
      {
        "status": "affected",
        "version": "3.4 Patch 3"
      },
      {
        "status": "affected",
        "version": "3.5.0"
      },
      {
        "status": "affected",
        "version": "3.4 Patch 4"
      },
      {
        "status": "affected",
        "version": "3.3 Patch 8"
      },
      {
        "status": "affected",
        "version": "3.2 Patch 8"
      },
      {
        "status": "affected",
        "version": "3.5 Patch 1"
      },
      {
        "status": "affected",
        "version": "3.3 Patch 9"
      },
      {
        "status": "affected",
        "version": "3.2 Patch 9"
      },
      {
        "status": "affected",
        "version": "3.4 Patch 5"
      },
      {
        "status": "affected",
        "version": "3.5 Patch 3"
      },
      {
        "status": "affected",
        "version": "3.5 Patch 2"
      },
      {
        "status": "affected",
        "version": "3.3 Patch 10"
      },
      {
        "status": "affected",
        "version": "3.3 Patch 11"
      },
      {
        "status": "affected",
        "version": "3.4 Patch 6"
      },
      {
        "status": "affected",
        "version": "3.2 Patch 10"
      },
      {
        "status": "affected",
        "version": "3.1.0 p11"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Cisco",
    "product": "Cisco ISE Passive Identity Connector",
    "versions": [
      {
        "status": "affected",
        "version": "3.4.0"
      },
      {
        "status": "affected",
        "version": "3.5.0"
      }
    ],
    "defaultStatus": "unknown"
  }
]
Related CVEs
CVE-2026-76460

Source reference: /cveMetadata/cveId

Publisher severity

critical

Source reference: /containers/cna/metrics

Linked CVE context

These ratings describe the referenced vulnerabilities and products. They are not a severity rating for every application using this dependency.

CVE-2026-76460 · Unrated

Identity Services Engine · Known exploited (CISA KEV)

Event
#12155 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. CVE-2026-76460 · Revision 1Source updated