{"id":"CVE-2026-84393","aliases":["EUVD-2026-72927","GHSA-7mc8-g97x-qg4j"],"status":"published","title":"A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1...","description":"A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6, FortiProxy 7.6.2 through 7.6.6 may allow attacker to information disclosure via \u003cinsert attack vector here\u003e","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00278,"percentile":0.20428,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-297"],"published":"2026-09-08T16:41:49Z","modified":"2026-11-10T12:49:51Z","products":[{"vendor":"fortinet","product":"fortios"},{"vendor":"fortinet","product":"fortiproxy"},{"vendor":"siemens","product":"ruggedcom ape1808"}],"references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-26-174"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-127084.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84393"},{"url":"https://github.com/advisories/GHSA-7mc8-g97x-qg4j"}],"sources":{"cve":[{"id":"CVE-2026-84393","description":"A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6, FortiProxy 7.6.2 through 7.6.6 may allow attacker to information disclosure via \u003cinsert attack vector here\u003e","status":"published","published":"2026-09-08T16:41:49.203Z","modified":"2026-11-10T12:49:51.801Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-297"],"updated_at":"2026-11-10T13:38:45.30478Z"}],"euvd":[{"id":"EUVD-2026-72927","description":"A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6, FortiProxy 7.6.2 through 7.6.6 may allow attacker to information disclosure via \u003cinsert attack vector here\u003e","status":"published","published":"2026-09-08T16:41:49Z","modified":"2026-11-10T12:49:51Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T14:21:09.632261Z"}],"ghsa":[{"id":"GHSA-7mc8-g97x-qg4j","title":"A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1...","description":"A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6, FortiProxy 7.6.2 through 7.6.6 may allow attacker to information disclosure via \u003cinsert attack vector here\u003e","status":"published","published":"2026-09-08T18:32:02Z","modified":"2026-10-15T03:37:27Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-297"],"updated_at":"2026-11-02T15:13:35.252436Z"}],"nvd":[{"id":"CVE-2026-84393","description":"A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6, FortiProxy 7.6.2 through 7.6.6 may allow attacker to information disclosure via \u003cinsert attack vector here\u003e","status":"published","published":"2026-09-08T17:18:37.883Z","modified":"2026-10-15T02:20:16.757Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-297"],"updated_at":"2026-11-02T14:12:44.436435Z"}]}}