PT-2026-120590 · Phpoffice · Phppresentation

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CVE-2026-114403

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Published

2026-10-21

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Updated

2026-10-21

CVSS v3.1

8.1

High

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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.

Fix

Deserialization of Untrusted Data

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Weakness Enumeration

Related Identifiers

CVE-2026-114403

Affected Products

Phppresentation