CVE-2026-40688

{"id": "CVE-2026-40688", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "psirt@fortinet.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.2}]}, "published": "2026-04-14T23:16:29.633", "references": [{"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-127", "tags": ["Vendor Advisory"], "source": "psirt@fortinet.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@fortinet.com", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "An out-of-bounds write vulnerability [CWE-787] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11 may allow a remote privileged attacker to execute arbitrary code or command via crafted HTTP requests."}], "lastModified": "2026-04-20T18:07:49.050", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "00447564-4A90-4194-85FF-A8C047796A5F", "versionEndExcluding": "7.4.12", "versionStartIncluding": "7.4.0"}, {"criteria": "cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "15C9CDE3-FE6F-4946-A3DC-FDD7A5F99D65", "versionEndExcluding": "7.6.7", "versionStartIncluding": "7.6.0"}, {"criteria": "cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9C922491-BA4C-48DF-8697-8FE742FDA39B", "versionEndExcluding": "8.0.4", "versionStartIncluding": "8.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@fortinet.com"}