{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-41232", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-18T03:47:03.134Z", "datePublished": "2026-04-23T03:54:55.765Z", "dateUpdated": "2026-04-23T14:50:19.516Z"}, "containers": {"cna": {"title": "Froxlor has an Email Sender Alias Domain Ownership Bypass via Wrong Array Index that Allows Cross-Customer Email Spoofing", "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/froxlor/froxlor/security/advisories/GHSA-vmjj-qr7v-pxm6", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/froxlor/froxlor/security/advisories/GHSA-vmjj-qr7v-pxm6"}, {"name": "https://github.com/froxlor/froxlor/commit/77d04badf549d5f8429828f0fbc69bc37a35e07a", "tags": ["x_refsource_MISC"], "url": "https://github.com/froxlor/froxlor/commit/77d04badf549d5f8429828f0fbc69bc37a35e07a"}, {"name": "https://github.com/froxlor/froxlor/releases/tag/2.3.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/froxlor/froxlor/releases/tag/2.3.6"}], "affected": [{"vendor": "froxlor", "product": "froxlor", "versions": [{"version": "< 2.3.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-04-23T03:54:55.765Z"}, "descriptions": [{"lang": "en", "value": "Froxlor is open source server administration software. Prior to version 2.3.6, in `EmailSender::add()`, the domain ownership validation for full email sender aliases uses the wrong array index when splitting the email address, passing the local part instead of the domain to `validateLocalDomainOwnership()`. This causes the ownership check to always pass for non-existent \"domains,\" allowing any authenticated customer to add sender aliases for email addresses on domains belonging to other customers. Postfix's `sender_login_maps` then authorizes the attacker to send emails as those addresses. Version 2.3.6 fixes the issue."}], "source": {"advisory": "GHSA-vmjj-qr7v-pxm6", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/froxlor/froxlor/security/advisories/GHSA-vmjj-qr7v-pxm6", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-23T14:49:29.020053Z", "id": "CVE-2026-41232", "options": [{"Exploitation": "poc"}, {"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": "2026-04-23T14:50:19.516Z"}}]}}

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