{"id":"CVE-2026-26035","state":"PUBLISHED","title":"An Improper Authentication vulnerability [CWE-287] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11, FortiWeb 7.2","description":"An Improper Authentication vulnerability [CWE-287] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11, FortiWeb 7.2.0 through 7.2.12, FortiWeb 7.0.0 through 7.0.12 may allow a remote unauthenticated attacker to login into the Fortiweb GUI/CLI with a random username and password","publishedAt":"2026-08-12T12:19:03.031Z","updatedAt":"2026-08-13T03:55:28.475Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","source":"fortinet"},"assigner":"fortinet","products":["Fortinet 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Improper Authentication vulnerability [CWE-287] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11, FortiWeb 7.2.0 through 7.2.12, FortiWeb 7.0.0 through 7.0.12 may allow a remote unauthenticated attacker to login into the Fortiweb GUI/CLI with a random username and password"}],"affected":[{"vendor":"Fortinet","product":"FortiWeb","defaultStatus":"unaffected","versions":[{"version":"8.0.0","status":"affected","lessThanOrEqual":"8.0.2","versionType":"semver"},{"version":"7.6.0","status":"affected","lessThanOrEqual":"7.6.6","versionType":"semver"},{"version":"7.4.0","status":"affected","lessThanOrEqual":"7.4.11","versionType":"semver"},{"version":"7.2.0","status":"affected","lessThanOrEqual":"7.2.12","versionType":"semver"},{"version":"7.0.0","status":"affected","lessThanOrEqual":"7.0.12","versionType":"semver"}],"cpes":["cpe:2.3:a:fortinet:fortiweb:8.0.2:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:8.0.1:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:8.0.0:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.6.6:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.6.5:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.6.4:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.6.3:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.6.2:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.6.1:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.6.0:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.4.11:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.4.10:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.4.9:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.4.8:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.4.7:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.4.6:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.4.5:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.4.4:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.4.3:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.4.2:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.4.1:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.4.0:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.2.12:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.2.11:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.2.10:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.2.9:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.2.8:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.2.7:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.2.6:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.2.5:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.2.4:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.2.3:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.2.2:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.2.1:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.2.0:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.0.12:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.0.11:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.0.10:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.0.9:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.0.8:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.0.7:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.0.6:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.0.5:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.0.4:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.0.3:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.0.2:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.0.1:*:*:*:*:*:*:*","cpe:2.3:a:fortinet:fortiweb:7.0.0:*:*:*:*:*:*:*"]}],"references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-26-158","name":"https://fortiguard.fortinet.com/psirt/FG-IR-26-158"}],"metrics":[{"format":"CVSS","cvssV3_1":{"version":"3.1","attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","lang":"en","description":"Improper 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