{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-126377", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-10T21:25:31.550Z", "datePublished": "2026-11-13T09:36:03.862Z", "dateUpdated": "2026-11-13T09:36:03.862Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-13T09:36:03.862Z"}, "datePublic": "2026-10-29T00:00:00.000Z", "title": "Vvveb before 1.0.9.0 Cookie Forgery via PHP Type Juggling in generateCookie()", "descriptions": [{"lang": "en", "value": "Vvveb before 1.0.9.0 contains an authentication bypass vulnerability in generateCookie() in system/user/user.php that uses loose comparison to validate MD5 cookie hashes. Unauthenticated attackers can brute-force cookie values until the server's MD5 computation yields a 0e magic hash, then forge persistent cookies for account takeover."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Authentication", "cweId": "CWE-287", "type": "CWE"}]}], "affected": [{"vendor": "givanz", "product": "Vvveb", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "custom", "lessThan": "1.0.9.0"}, {"version": "1.0.9.0", "status": "unaffected", "versionType": "custom"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:vvveb:vvveb:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.0.9.0"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.2, "baseSeverity": "CRITICAL"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/givanz/Vvveb/security/advisories/GHSA-p8w8-2rq6-wm2g", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-p8w8-2rq6-wm2g)"}, {"name": "VulnCheck Advisory: Vvveb before 1.0.9.0 Cookie Forgery via PHP Type Juggling in generateCookie()", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/vvveb-before-1.0.9.0-cookie-forgery-via-php-type-juggling-in-generatecookie"}], "credits": [{"lang": "en", "value": "andy21190", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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