PKSA-96jv-mtjg-g2v8: PhpSpreadsheet: XmlScanner Bypass via ISO-2022 Escape Sequences Allows XXE and Denial of Service

Published Oct 27, 2026
·
Updated

PhpSpreadsheet: XmlScanner Bypass via ISO-2022 Escape Sequences Allows XXE and Denial of Service

Affected Software

5 affected components
composer/phpoffice/phpspreadsheet<=1.30.6
composer/phpoffice/phpspreadsheet>=2.0.0, <=2.1.18
composer/phpoffice/phpspreadsheet>=2.2.0, <=2.4.7
composer/phpoffice/phpspreadsheet>=3.3.0, <=3.10.7
composer/phpoffice/phpspreadsheet>=4.0.0, <=5.9.0

Event History

Oct 27, 2026
Advisory Published
via Packagist·03:38 PM
Data Sourced
via Packagist·03:38 PM
DescriptionSeverityAffected Software

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
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