CVE-2026-114403 — PHPOffice PHPPresentation through 1.2.0 Deserialization via Reader\Serialized::load
PHPOffice PHPPresentation through 1.2.0 contains an insecure deserialization vulnerability that allows attackers to instantiate arbitrary PHP objects by supplying a crafted pres…
Published: 2026-10-21 · CVSS: 9.2 · CVSS 4.0
PHPOffice PHPPresentation through 1.2.0 contains an insecure deserialization vulnerability that allows attackers to instantiate arbitrary PHP objects by supplying a crafted presentation file. Attackers can upload a ZIP containing PhpPresentation.xml that IOFactory::load passes to unserialize(), enabling gadget-chain code execution, file writes, or denial of service.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7