{"items":[{"id":"NVI-00003595","kind":"vulnerability","title":"Froxlor has an Email Sender Alias Domain Ownership Bypass via Wrong Array Index Allows Cross-Customer Email Spoofing","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-vmjj-qr7v-pxm6","CVE-2026-41232"],"plain_summary":"OSV carries this publisher advisory for froxlor/froxlor. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.3.6 for froxlor/froxlor. Confirm the publisher’s latest guidance.","source_ids":["sr-4449c2eb08533f8b82721cabbd8778e7"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-07034c9d568aaa97b84eb86784f7585e"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T10:46:21.300Z","value":"5 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-1273e810cce698fbdce3dbc69517affa"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.231%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.14029. Missing scores are unknown.","source_id":"sr-07034c9d568aaa97b84eb86784f7585e"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-4449c2eb08533f8b82721cabbd8778e7","url":"https://github.com/advisories/GHSA-vmjj-qr7v-pxm6","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-vmjj-qr7v-pxm6","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.376Z"},{"id":"sr-1273e810cce698fbdce3dbc69517affa","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41232","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-41232","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:23:52.242Z"},{"id":"sr-07034c9d568aaa97b84eb86784f7585e","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-41232","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.326Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4449c2eb08533f8b82721cabbd8778e7"],"technology":"froxlor/froxlor","known_exclusions":[],"conditions_summary":"## Summary\n\nIn `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.\n\n## Details\n\nIn `lib/Froxlor/Api/Commands/EmailSender.php` at line 100, when a customer adds a full email address (not a `@domain` wildcard) as an allowed sender, the code splits on `@` and takes index `[0]`:\n\n```php\n// Line 96-106\nif (substr($allowed_sender, 0, 1) != '@') {\n    if (!Validate::validateEmail($idna_convert->encode($allowed_sender))) {\n        Response::standardError('emailiswrong', $allowed_sender, true);\n    }\n    self::validateLocalDomainOwnership(explode(\"@\", $allowed_sender)[0] ?? \"\");  // BUG: [0] is the local part\n} else {\n    if (!Validate::validateDomain($idna_convert->encode(substr($allowed_sender, 1)))) {\n        Response::standardError(","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.3.6"]}],"null_published_at":"2026-11-06T07:24:11.270Z","source_updated_at":"2026-05-05T16:26:28.528Z","source_disclosed_at":"2026-04-16T00:47:05.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:41.376Z"},{"id":"NVI-00003595","kind":"vulnerability","title":"Froxlor has an Email Sender Alias Domain Ownership Bypass via Wrong Array Index Allows Cross-Customer Email Spoofing","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-vmjj-qr7v-pxm6","CVE-2026-41232"],"plain_summary":"OSV carries this publisher advisory for froxlor/froxlor. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.3.6 for froxlor/froxlor. Confirm the publisher’s latest guidance.","source_ids":["sr-4449c2eb08533f8b82721cabbd8778e7"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1273e810cce698fbdce3dbc69517affa"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T10:46:21.300Z","value":"5 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-1273e810cce698fbdce3dbc69517affa"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-4449c2eb08533f8b82721cabbd8778e7","url":"https://github.com/advisories/GHSA-vmjj-qr7v-pxm6","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-vmjj-qr7v-pxm6","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.376Z"},{"id":"sr-1273e810cce698fbdce3dbc69517affa","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41232","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-41232","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:23:52.242Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4449c2eb08533f8b82721cabbd8778e7"],"technology":"froxlor/froxlor","known_exclusions":[],"conditions_summary":"## Summary\n\nIn `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.\n\n## Details\n\nIn `lib/Froxlor/Api/Commands/EmailSender.php` at line 100, when a customer adds a full email address (not a `@domain` wildcard) as an allowed sender, the code splits on `@` and takes index `[0]`:\n\n```php\n// Line 96-106\nif (substr($allowed_sender, 0, 1) != '@') {\n    if (!Validate::validateEmail($idna_convert->encode($allowed_sender))) {\n        Response::standardError('emailiswrong', $allowed_sender, true);\n    }\n    self::validateLocalDomainOwnership(explode(\"@\", $allowed_sender)[0] ?? \"\");  // BUG: [0] is the local part\n} else {\n    if (!Validate::validateDomain($idna_convert->encode(substr($allowed_sender, 1)))) {\n        Response::standardError(","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.3.6"]}],"null_published_at":"2026-11-01T14:34:07.528Z","source_updated_at":"2026-05-05T16:26:28.528Z","source_disclosed_at":"2026-04-16T00:47:05.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:41.376Z"},{"id":"NVI-00003595","kind":"vulnerability","title":"Froxlor has an Email Sender Alias Domain Ownership Bypass via Wrong Array Index Allows Cross-Customer Email Spoofing","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-vmjj-qr7v-pxm6","CVE-2026-41232"],"plain_summary":"OSV carries this publisher advisory for froxlor/froxlor. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.3.6 for froxlor/froxlor. Confirm the publisher’s latest guidance.","source_ids":["sr-4449c2eb08533f8b82721cabbd8778e7"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-4449c2eb08533f8b82721cabbd8778e7","url":"https://github.com/advisories/GHSA-vmjj-qr7v-pxm6","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-vmjj-qr7v-pxm6","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.376Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4449c2eb08533f8b82721cabbd8778e7"],"technology":"froxlor/froxlor","known_exclusions":[],"conditions_summary":"## Summary\n\nIn `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.\n\n## Details\n\nIn `lib/Froxlor/Api/Commands/EmailSender.php` at line 100, when a customer adds a full email address (not a `@domain` wildcard) as an allowed sender, the code splits on `@` and takes index `[0]`:\n\n```php\n// Line 96-106\nif (substr($allowed_sender, 0, 1) != '@') {\n    if (!Validate::validateEmail($idna_convert->encode($allowed_sender))) {\n        Response::standardError('emailiswrong', $allowed_sender, true);\n    }\n    self::validateLocalDomainOwnership(explode(\"@\", $allowed_sender)[0] ?? \"\");  // BUG: [0] is the local part\n} else {\n    if (!Validate::validateDomain($idna_convert->encode(substr($allowed_sender, 1)))) {\n        Response::standardError(","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.3.6"]}],"null_published_at":"2026-10-31T22:12:48.023Z","source_updated_at":"2026-05-05T16:26:28.528Z","source_disclosed_at":"2026-04-16T00:47:05.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:41.376Z"}],"next_cursor":null,"snapshot_revision":"44495"}