CVE-2026-59931

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In versions 4.0.0 through 5.8.0, 3.3.0 through 3.10.6, 2.2.0 through 2.4.6, 2.0.0 through 2.1.17, and all releases up to and including 1.30.5, the WEBSERVICE domain whitelist can be bypassed via an HTTP redirect SSRF...

CVE-2026-59931: Server-Side Request Forgery (SSRF)

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In versions 4.0.0 through 5.8.0, 3.3.0 through 3.10.6, 2.2.0 through 2.4.6, 2.0.0 through 2.1.17, and all releases up to and including 1.30.5, the WEBSERVICE domain whitelist can be bypassed via an HTTP redirect SSRF...

The vulnerability of the webService() method in the Calculation/Web/Service.php PHP library allows a attacker to perform an SSRF attack.

The vulnerability of the webService method in the Calculation/Web/Service.php PHP library of the PhpSpreadsheet framework is related to insufficient validation of requests on the server side. Exploiting this vulnerability could allow a malicious actor to perform an SSRF attack remotely...

PT-2026-63655

Name of the Vulnerable Software and Affected Versions PhpSpreadsheet versions 4.0.0 through 5.8.0 PhpSpreadsheet versions 3.3.0 through 3.10.6 PhpSpreadsheet versions 2.2.0 through 2.4.6 PhpSpreadsheet versions 2.0.0 through 2.1.17 PhpSpreadsheet versions prior to 1.30.6 Description Insufficient...