{"_links":{"capec":{"href":"/api/v1/vulnerability/cve-2026-53595/capec"},"cvss":{"href":"/api/v1/vulnerability/cve-2026-53595/cvss"},"cwe":{"href":"/api/v1/vulnerability/cve-2026-53595/cwe"},"enrichment":{"href":"/api/v1/vulnerability/cve-2026-53595/enrichment"},"gcve":{"href":"/api/v1/vulnerability/cve-2026-53595/gcve"},"self":{"href":"/api/v1/vulnerability/cve-2026-53595/enrichment"},"sightings":{"href":"/api/v1/sightings/cve-2026-53595"},"vulnerability":{"href":"/api/v1/vulnerability/cve-2026-53595"}},"enrichments":{"cisa-kev":{"kev":false},"epss":{"epss":0.01945,"kev":false,"percentile":0.80174},"nuclei":{"nuclei":true,"nuclei_template":"http/cves/2026/CVE-2026-53595.yaml","nuclei_template_severity":"critical","nuclei_template_yaml":"id: CVE-2026-53595\n\ninfo:\n  name: FreeScout < 1.8.224 - Invite Hash Authorization Bypass\n  author: str4k3r\n  severity: critical\n  description: |\n    FreeScout prior to 1.8.224 contains an authentication bypass caused by improper invite_hash handling and decryption failure in user setup endpoint, letting anonymous attackers reset credentials and log in as the lowest-id activated user, exploit requires no authentication.\n  impact: |\n    Anonymous attackers can reset email and password of the lowest-id activated user, gaining full access including administrator privileges.\n  remediation: |\n    Upgrade to version 1.8.224 or later.\n  reference:\n    - https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-jqj5-r72v-v29g\n    - https://github.com/freescout-help-desk/freescout/commit/c4688c31\n    - https://nvd.nist.gov/vuln/detail/CVE-2026-53595\n  classification:\n    cve-id: CVE-2026-53595\n    epss-score: 0.01945\n    epss-percentile: 0.80235\n    cwe-id: CWE-289\n    cvss-score: 9.4\n    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L\n  metadata:\n    verified: true\n    max-request: 1\n    vendor: freescout-help-desk\n    product: freescout\n    shodan-query: http.title:\"FreeScout\"\n    fofa-query: title=\"FreeScout\" || body=\"freescout\"\n  tags: cve,cve2026,freescout,helpdesk,laravel,authbypass,unauth,vkev\n\nhttp:\n  - raw:\n      - |\n        GET /user-setup/%20/9999999999 HTTP/1.1\n        Host: {{Hostname}}\n\n    matchers:\n      - type: dsl\n        dsl:\n          - 'status_code == 200'\n          - 'contains_all(body, \"name=\\\"password_confirmation\\\"\", \"User Setup Wizard\")'\n          - '!contains(body, \"No invite was found\")'\n        condition: and\n# digest: 490a0046304402206b1438d23ad05a858d434f70dd633b9f66cca1bc5090050bf9ebaa38b61cd859022042e0601c312a8b3197c60803057d555e83b51b6cf9b97eec686bb8e9c02b229c:922c64590222798bb761d5b6d8e72950"}},"vuln_id":"cve-2026-53595"}