{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-67337", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-07-29T13:07:47.016Z", "datePublished": "2026-08-01T12:22:18.034Z", "dateUpdated": "2026-08-01T12:22:18.034Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-08-01T12:22:18.034Z"}, "datePublic": "2026-04-01T00:00:00.000Z", "title": "better-auth before 1.4.9 Two-Factor Authentication Bypass via session.cookieCache", "descriptions": [{"lang": "en", "value": "better-auth versions before 1.4.9 contain a two-factor authentication bypass vulnerability when session.cookieCache is enabled. Attackers with valid primary credentials can access authenticated routes without completing second-factor verification by exploiting premature session caching."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Authentication Bypass Using an Alternate Path or Channel", "cweId": "CWE-288", "type": "CWE"}]}], "affected": [{"vendor": "better-auth", "product": "better-auth", "defaultStatus": "unaffected", "packageURL": "pkg:npm/better-auth", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.4.9"}, {"version": "1.4.9", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:better-auth:better-auth\\/oauth-provider:*:*:*:*:*:node.js:*:*", "versionEndExcluding": "1.4.9"}]}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 7.1, "baseSeverity": "HIGH", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS"}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "format": "CVSS"}], "references": [{"url": "https://github.com/better-auth/better-auth/security/advisories/GHSA-xg6x-h9c9-2m83", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-xg6x-h9c9-2m83)"}, {"name": "VulnCheck Advisory: better-auth before 1.4.9 Two-Factor Authentication Bypass via session.cookieCache", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/better-auth-before-two-factor-authentication-bypass-via-session-cookiecache"}], "credits": [{"lang": "en", "value": "TriDecent", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{"affected": [{"configurations": [{"platform": ["node.js"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 99.0, "source": "matching"}]}, "product": "better-auth\\/oauth-provider", "vendor": "better-auth"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.4.9)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "1.4.9"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "better-auth", "source": "cna", "vendor": "better-auth"}, "product": "better_auth", "vendor": "better-auth"}], "created": "2026-08-01T14:30:05.934440+00:00", "updated": "2026-08-01T14:30:05.934480+00:00", "vendors": ["better-auth", "better-auth$PRODUCT$better-auth\\/oauth-provider", "better-auth$PRODUCT$better_auth"]}