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CVE-2026-84374: Laravel Excel writes exports outside the configured filesystem disk when given a caller-controlled path

high Affects maatwebsite/excel. Feed 2026.10.29.3, updated 2026-10-29; published .

Laravel Excel writes exports outside the configured filesystem disk when given a caller-controlled path

Package
maatwebsite/excel Composer
Affected versions
>=3.1.8 and <3.1.70
Fixed in
3.1.70
Severity
high  CVSS 7.5
Exploitation
not on CISA KEV · EPSS 1% (57.8th percentile)
Published
2026-09-08
Source
osv.dev

References

CWE-22CWE-73
NVD recordmaatwebsite/excel advisories

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# then
vendor/bin/phpwarden deps composer.lock

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