{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-119049", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-29T11:51:50.482Z", "datePublished": "2026-10-29T13:08:50.838Z", "dateUpdated": "2026-10-29T14:02:26.966Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-29T13:08:50.838Z"}, "datePublic": "2026-10-29T00:00:00.000Z", "title": "FreeMail before 5.3.2 Authorization Bypass via /api/create Mailbox Claiming", "descriptions": [{"lang": "en", "value": "FreeMail before 5.3.2 contains an authorization bypass vulnerability that allows authenticated users to claim another user's existing mailbox via the POST /api/create endpoint. Attackers who know a victim's address can become co-owners through assignMailboxToUser to read messages and verification codes, set forwarding, and delete mail."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Authorization Bypass Through User-Controlled Key", "cweId": "CWE-639", "type": "CWE"}]}], "affected": [{"vendor": "idinging", "product": "FreeMail", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThan": "5.3.2", "status": "affected", "versionType": "semver"}], "repo": "https://github.com/idinging/freemail"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.2, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "availabilityImpact": "LOW", "baseScore": 7.6, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/idinging/freemail/issues/73", "tags": ["issue-tracking"], "name": "GitHub Issue #73"}, {"url": "https://github.com/idinging/freemail", "tags": ["product"]}, {"url": "https://github.com/idinging/freemail/commit/62ed3afdbb4de90a135c12de928e586caf01b5a1", "tags": ["patch"]}, {"url": "https://github.com/idinging/freemail/releases/tag/v5.3.2", "tags": ["release-notes"], "name": "FreeMail v5.3.2 Release Notes"}, {"url": "https://github.com/idinging/freemail/blob/a95c1710e7eeb9f2c74a49ef962f4f43a36695b3/src/db/users.js#L137-L163", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: FreeMail before 5.3.2 Authorization Bypass via /api/create Mailbox Claiming", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/freemail-before-5.3.2-authorization-bypass-via-api-create-mailbox-claiming"}], "credits": [{"lang": "en", "value": "hieuPenguinnn", "type": "finder"}, {"lang": "en", "value": "iding2959", "type": "remediation developer"}], "x_generator": {"engine": "vulncheck-endgame"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-29T14:02:16.305255Z", "id": "CVE-2026-119049", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-29T14:02:26.966Z"}}]}}

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