CVE-2026-76460 (GCVE-0-2026-76460)
Vulnerability from cvelistv5
Published
2026-09-16 20:12
Modified
2026-10-07 18:27
Severity ?
CWE
  • CWE-648 - Incorrect Use of Privileged APIs
Summary
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.
Impacted products
Vendor Product Version
Cisco Cisco Identity Services Engine Software Version: 3.1.0 p8
Version: 3.1.0 p9
Version: 3.3 Patch 2
Version: 3.3 Patch 1
Version: 3.3 Patch 3
Version: 3.4.0
Version: 3.2.0 p7
Version: 3.3 Patch 4
Version: 3.4 Patch 1
Version: 3.1.0 p10
Version: 3.3 Patch 5
Version: 3.3 Patch 6
Version: 3.4 Patch 2
Version: 3.3 Patch 7
Version: 3.4 Patch 3
Version: 3.5.0
Version: 3.4 Patch 4
Version: 3.3 Patch 8
Version: 3.2 Patch 8
Version: 3.5 Patch 1
Version: 3.3 Patch 9
Version: 3.2 Patch 9
Version: 3.4 Patch 5
Version: 3.5 Patch 3
Version: 3.5 Patch 2
Version: 3.3 Patch 10
Version: 3.3 Patch 11
Version: 3.4 Patch 6
Version: 3.2 Patch 10
Version: 3.1.0 p11
Create a notification for this product.
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog

Date added: 2026-09-16

Due date: 2026-09-19

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.

Used in ransomware: Unknown

Notes: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ISE-ABP-VNSW7Tn5 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-76460

Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-76460",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-17T03:57:01.742560Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2026-09-16",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76460"
              },
              "type": "kev"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-07T18:27:47.551Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "government-resource"
            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76460"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Cisco Identity Services Engine Software",
          "vendor": "Cisco",
          "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",
          "product": "Cisco ISE Passive Identity Connector",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "3.4.0"
            },
            {
              "status": "affected",
              "version": "3.5.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in an API of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to bypass authentication.\r\n\r\nThis 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."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco PSIRT is aware of active exploitation of this vulnerability. Cisco strongly recommends that customers upgrade to a fixed software release to remediate this vulnerability."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "cvssV3_1"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-648",
              "description": "Incorrect Use of Privileged APIs",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-16T20:12:02.131Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-ISE-ABP-VNSW7Tn5",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ISE-ABP-VNSW7Tn5"
        }
      ],
      "source": {
        "advisory": "cisco-sa-ISE-ABP-VNSW7Tn5",
        "defects": [
          "CSCww39530"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "Cisco Identity Services Engine Authentication Bypass Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2026-76460",
    "datePublished": "2026-09-16T20:12:02.131Z",
    "dateReserved": "2026-08-19T12:02:03.637Z",
    "dateUpdated": "2026-10-07T18:27:47.551Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "cisa_known_exploited": {
      "cveID": "CVE-2026-76460",
      "cwes": "[\"CWE-648\"]",
      "dateAdded": "2026-09-16",
      "dueDate": "2026-09-19",
      "forensicTriage": "Yes",
      "knownRansomwareCampaignUse": "Unknown",
      "notes": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ISE-ABP-VNSW7Tn5 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-76460",
      "product": "Identity Services Engine",
      "requiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (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\u0027s internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
      "shortDescription": "Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) contain an incorrect use of privileged APIs vulnerability that could allow an unauthenticated, remote attacker to gain unauthorized access to the affected device by bypassing the web-based management interface.",
      "vendorProject": "Cisco",
      "vulnerabilityName": "Cisco Identity Services Engine Incorrect Use of Privileged APIs Vulnerability"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-76460\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-09-17T03:57:01.742560Z\"}}}, {\"other\": {\"type\": \"kev\", \"content\": {\"dateAdded\": \"2026-09-16\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76460\"}}}], \"references\": [{\"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76460\", \"tags\": [\"government-resource\"]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-09-16T20:43:41.557Z\"}}], \"cna\": {\"title\": \"Cisco Identity Services Engine Authentication Bypass Vulnerability\", \"source\": {\"defects\": [\"CSCww39530\"], \"advisory\": \"cisco-sa-ISE-ABP-VNSW7Tn5\", \"discovery\": \"EXTERNAL\"}, \"metrics\": [{\"format\": \"cvssV3_1\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 10, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"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\"}], \"exploits\": [{\"lang\": \"en\", \"value\": \"The Cisco PSIRT is aware of active exploitation of this vulnerability. Cisco strongly recommends that customers upgrade to a fixed software release to remediate this vulnerability.\"}], \"references\": [{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ISE-ABP-VNSW7Tn5\", \"name\": \"cisco-sa-ISE-ABP-VNSW7Tn5\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability in an API of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to bypass authentication.\\r\\n\\r\\nThis 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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-648\", \"description\": \"Incorrect Use of Privileged APIs\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2026-09-16T20:12:02.131Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-76460\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-07T18:27:47.551Z\", \"dateReserved\": \"2026-08-19T12:02:03.637Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2026-09-16T20:12:02.131Z\", \"assignerShortName\": \"cisco\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…