{"items":[{"id":"NVI-00001793","kind":"vulnerability","title":"Laravel Excel writes exports outside the configured filesystem disk when given a caller-controlled path","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-c7r6-vx3h-w5g2","CVE-2026-84374"],"plain_summary":"OSV carries this publisher advisory for maatwebsite/excel. 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 3.1.70 for maatwebsite/excel. Confirm the publisher’s latest guidance.","source_ids":["sr-00a6839bc3040803afcc013956019bc8"],"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-01d4d9a727833322637f6f5791a7b117"],"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":"2026-09-09T21:09:13.080Z","value":"7.5 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-3e13238336d9668294ac87b5afd93390"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.842%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.57931. Missing scores are unknown.","source_id":"sr-01d4d9a727833322637f6f5791a7b117"}],"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-00a6839bc3040803afcc013956019bc8","url":"https://github.com/advisories/GHSA-c7r6-vx3h-w5g2","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-c7r6-vx3h-w5g2","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.696Z"},{"id":"sr-3e13238336d9668294ac87b5afd93390","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84374","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-84374","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:58.008Z"},{"id":"sr-01d4d9a727833322637f6f5791a7b117","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-2026-84374","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.288Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-00a6839bc3040803afcc013956019bc8"],"technology":"maatwebsite/excel","known_exclusions":[],"conditions_summary":"### Summary\n\n`Excel::store()` resolved the destination path against the process working\ndirectory rather than the configured filesystem disk. When that path resolved to\nan existing file, the export was written straight to it with `fopen()`,\nbypassing the disk entirely. An application that passes a user-controlled value\nas the export path could therefore be made to overwrite an arbitrary existing\nfile that the PHP process can write to, with content the user controls.\n\n### Details\n\n`Maatwebsite\\Excel\\Files\\Disk::copy()` contained two paths:\n\n```php\nif (realpath($destination)) {\n    $tempStream = fopen($destination, 'rb+');\n    $success    = stream_copy_to_stream($readStream, $tempStream) !== false;\n} else {\n    $success = $this->put($destination, $readStream);\n}\n```\n\n`$destination` is the `$filePath` argument given to `Excel::store()`,\n`$export->store()` or `->storeExcel()`. `realpath()` resolves it against the\n**current working directory** — `public/` for a typical web request — not\nagainst the disk root. On a hit, the write went directly to the filesystem and\nnever reached Flysystem, which would otherwise have rejected `../` traversal and\nconfined absolute paths to the disk root. T","public_affected_ranges":["ECOSYSTEM: introduced 3.1.8; fixed 3.1.70"]}],"null_published_at":"2026-11-02T20:21:07.737Z","source_updated_at":"2026-09-08T20:45:04.342Z","source_disclosed_at":"2026-09-08T20:40:47.000Z","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":"2026-10-31T21:42:10.696Z"},{"id":"NVI-00001793","kind":"vulnerability","title":"Laravel Excel writes exports outside the configured filesystem disk when given a caller-controlled path","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-c7r6-vx3h-w5g2","CVE-2026-84374"],"plain_summary":"OSV carries this publisher advisory for maatwebsite/excel. 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 3.1.70 for maatwebsite/excel. Confirm the publisher’s latest guidance.","source_ids":["sr-00a6839bc3040803afcc013956019bc8"],"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-3e13238336d9668294ac87b5afd93390"],"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":"2026-09-09T21:09:13.080Z","value":"7.5 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-3e13238336d9668294ac87b5afd93390"}],"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-00a6839bc3040803afcc013956019bc8","url":"https://github.com/advisories/GHSA-c7r6-vx3h-w5g2","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-c7r6-vx3h-w5g2","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.696Z"},{"id":"sr-3e13238336d9668294ac87b5afd93390","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84374","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-84374","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:58.008Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-00a6839bc3040803afcc013956019bc8"],"technology":"maatwebsite/excel","known_exclusions":[],"conditions_summary":"### Summary\n\n`Excel::store()` resolved the destination path against the process working\ndirectory rather than the configured filesystem disk. When that path resolved to\nan existing file, the export was written straight to it with `fopen()`,\nbypassing the disk entirely. An application that passes a user-controlled value\nas the export path could therefore be made to overwrite an arbitrary existing\nfile that the PHP process can write to, with content the user controls.\n\n### Details\n\n`Maatwebsite\\Excel\\Files\\Disk::copy()` contained two paths:\n\n```php\nif (realpath($destination)) {\n    $tempStream = fopen($destination, 'rb+');\n    $success    = stream_copy_to_stream($readStream, $tempStream) !== false;\n} else {\n    $success = $this->put($destination, $readStream);\n}\n```\n\n`$destination` is the `$filePath` argument given to `Excel::store()`,\n`$export->store()` or `->storeExcel()`. `realpath()` resolves it against the\n**current working directory** — `public/` for a typical web request — not\nagainst the disk root. On a hit, the write went directly to the filesystem and\nnever reached Flysystem, which would otherwise have rejected `../` traversal and\nconfined absolute paths to the disk root. T","public_affected_ranges":["ECOSYSTEM: introduced 3.1.8; fixed 3.1.70"]}],"null_published_at":"2026-11-01T14:34:07.633Z","source_updated_at":"2026-09-08T20:45:04.342Z","source_disclosed_at":"2026-09-08T20:40:47.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.696Z"},{"id":"NVI-00001793","kind":"vulnerability","title":"Laravel Excel writes exports outside the configured filesystem disk when given a caller-controlled path","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-c7r6-vx3h-w5g2","CVE-2026-84374"],"plain_summary":"OSV carries this publisher advisory for maatwebsite/excel. 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 3.1.70 for maatwebsite/excel. Confirm the publisher’s latest guidance.","source_ids":["sr-00a6839bc3040803afcc013956019bc8"],"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-00a6839bc3040803afcc013956019bc8","url":"https://github.com/advisories/GHSA-c7r6-vx3h-w5g2","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-c7r6-vx3h-w5g2","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.696Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-00a6839bc3040803afcc013956019bc8"],"technology":"maatwebsite/excel","known_exclusions":[],"conditions_summary":"### Summary\n\n`Excel::store()` resolved the destination path against the process working\ndirectory rather than the configured filesystem disk. When that path resolved to\nan existing file, the export was written straight to it with `fopen()`,\nbypassing the disk entirely. An application that passes a user-controlled value\nas the export path could therefore be made to overwrite an arbitrary existing\nfile that the PHP process can write to, with content the user controls.\n\n### Details\n\n`Maatwebsite\\Excel\\Files\\Disk::copy()` contained two paths:\n\n```php\nif (realpath($destination)) {\n    $tempStream = fopen($destination, 'rb+');\n    $success    = stream_copy_to_stream($readStream, $tempStream) !== false;\n} else {\n    $success = $this->put($destination, $readStream);\n}\n```\n\n`$destination` is the `$filePath` argument given to `Excel::store()`,\n`$export->store()` or `->storeExcel()`. `realpath()` resolves it against the\n**current working directory** — `public/` for a typical web request — not\nagainst the disk root. On a hit, the write went directly to the filesystem and\nnever reached Flysystem, which would otherwise have rejected `../` traversal and\nconfined absolute paths to the disk root. T","public_affected_ranges":["ECOSYSTEM: introduced 3.1.8; fixed 3.1.70"]}],"null_published_at":"2026-10-31T21:53:28.049Z","source_updated_at":"2026-09-08T20:45:04.342Z","source_disclosed_at":"2026-09-08T20:40:47.000Z","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":"2026-10-31T21:42:10.696Z"}],"next_cursor":null,"snapshot_revision":"42594"}