{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63437", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-16T19:35:57.767Z", "datePublished": "2026-11-06T20:16:05.692Z", "dateUpdated": "2026-11-06T20:16:05.692Z"}, "containers": {"cna": {"title": "2FAuth: Missing Authorization on Share Recipients Endpoint Allows Cross-User Account Enumeration", "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-862", "lang": "en", "description": "CWE-862: Missing Authorization", "type": "CWE"}]}], "metrics": [{"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"}}], "references": [{"name": "https://github.com/Bubka/2FAuth/security/advisories/GHSA-m52c-63g8-qg5c", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Bubka/2FAuth/security/advisories/GHSA-m52c-63g8-qg5c"}, {"name": "https://github.com/Bubka/2FAuth/commit/08753afbd847da8fa285e2ad857693ff88e46b84", "tags": ["x_refsource_MISC"], "url": "https://github.com/Bubka/2FAuth/commit/08753afbd847da8fa285e2ad857693ff88e46b84"}, {"name": "https://github.com/Bubka/2FAuth/releases/tag/v8.0.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/Bubka/2FAuth/releases/tag/v8.0.0"}], "affected": [{"vendor": "Bubka", "product": "2FAuth", "versions": [{"version": "< 8.0.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-06T20:16:05.692Z"}, "descriptions": [{"lang": "en", "value": "2FAuth is a web app to manage Two-Factor Authentication (2FA) accounts and generate their security codes. Prior to 8.0.0, the recipients() method in app/Api/v1/Controllers/TwoFAccountShareController.php receives a caller-selected TwoFAccount through Laravel model binding but does not call the manageShares authorization policy before listing its recipients. When account sharing is enabled, an authenticated user can call GET /api/v1/twofaccounts/{victimId}/recipients for accounts owned by other users, enumerate registered user IDs and display names, test exact email addresses with filter[nameOrEmail], and inspect each account's sharing relationships. This issue is fixed in version 8.0.0."}], "source": {"advisory": "GHSA-m52c-63g8-qg5c", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "2FAuth", "vendor": "Bubka", "versions": [{"status": "affected", "version": "< 8.0.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "2FAuth is a web app to manage Two-Factor Authentication (2FA) accounts and generate their security codes. Prior to 8.0.0, the recipients() method in app/Api/v1/Controllers/TwoFAccountShareController.php receives a caller-selected TwoFAccount through Laravel model binding but does not call the manageShares authorization policy before listing its recipients. When account sharing is enabled, an authenticated user can call GET /api/v1/twofaccounts/{victimId}/recipients for accounts owned by other users, enumerate registered user IDs and display names, test exact email addresses with filter[nameOrEmail], and inspect each account's sharing relationships. This issue is fixed in version 8.0.0."}], "id": "CVE-2026-63437", "lastModified": "2026-11-06T21:17:09.593", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-11-06T21:17:09.593", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Bubka/2FAuth/commit/08753afbd847da8fa285e2ad857693ff88e46b84"}, {"source": "security-advisories@github.com", "url": "https://github.com/Bubka/2FAuth/releases/tag/v8.0.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/Bubka/2FAuth/security/advisories/GHSA-m52c-63g8-qg5c"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}, {"lang": "en", "value": "CWE-862"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}