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CVE-2026-76439 Cisco Identity Services Engine Event Injection Vulnerability

🗓️ 16 Sep 2026 20:17:47Reported by ciscoType 
cvelist
 cvelist
🔗 www.cve.org👁 13 Views

Unauthenticated event injection in Cisco ISE guest portal manipulates endpoint posture status.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cisco
Cisco
Cisco Identity Services Engine Authentication Bypass Vulnerabilities
16 Sep 202616:00
cisco
cisco
Cisco
Cisco Advance Notification for Publication of September 16, 2026, Security Advisories
9 Sep 202616:00
cisco
cve
CVE
CVE-2026-76439
16 Sep 202620:17
cve
euvd
EUVD
EUVD-2026-81142
16 Sep 202620:17
euvd
nvd
NVD
CVE-2026-76439
16 Sep 202621:17
nvd
[
  {
    "vendor": "Cisco",
    "product": "Cisco Identity Services Engine Software",
    "versions": [
      {
        "version": "3.1.0",
        "status": "affected"
      },
      {
        "version": "3.1.0 p1",
        "status": "affected"
      },
      {
        "version": "3.1.0 p3",
        "status": "affected"
      },
      {
        "version": "3.1.0 p2",
        "status": "affected"
      },
      {
        "version": "3.2.0",
        "status": "affected"
      },
      {
        "version": "3.1.0 p4",
        "status": "affected"
      },
      {
        "version": "3.1.0 p5",
        "status": "affected"
      },
      {
        "version": "3.2.0 p1",
        "status": "affected"
      },
      {
        "version": "3.1.0 p6",
        "status": "affected"
      },
      {
        "version": "3.2.0 p2",
        "status": "affected"
      },
      {
        "version": "3.1.0 p7",
        "status": "affected"
      },
      {
        "version": "3.3.0",
        "status": "affected"
      },
      {
        "version": "3.2.0 p3",
        "status": "affected"
      },
      {
        "version": "3.2.0 p4",
        "status": "affected"
      },
      {
        "version": "3.1.0 p8",
        "status": "affected"
      },
      {
        "version": "3.2.0 p5",
        "status": "affected"
      },
      {
        "version": "3.2.0 p6",
        "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 p72",
        "status": "affected"
      },
      {
        "version": "3.1.0 p11",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Cisco",
    "product": "Cisco ISE Passive Identity Connector",
    "versions": [
      {
        "version": "3.2.0",
        "status": "affected"
      },
      {
        "version": "3.1.0",
        "status": "affected"
      },
      {
        "version": "3.3.0",
        "status": "affected"
      },
      {
        "version": "3.4.0",
        "status": "affected"
      },
      {
        "version": "3.5.0",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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