CVE-2026-114403
highPHPOffice PHPPresentation through 1.2.0 contains an insecure deserialization vulnerability that allows attackers to instantiate arbitrary PHP objects by supply…
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/PHPOffice/PHPPresentation disclosure@vulncheck.com
- https://github.com/PHPOffice/PHPPresentation/blob/1.2.0/src/PhpPresentation/IOFactory.php#... disclosure@vulncheck.com
- https://github.com/PHPOffice/PHPPresentation/blob/1.2.0/src/PhpPresentation/Reader/Seriali... disclosure@vulncheck.com
- https://hackmd.io/@leediay/multiple_vulnerable_phppresentation disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/phpoffice-phppresentation-through-1.2.0-deserializati... disclosure@vulncheck.com
- https://hackmd.io/@leediay/multiple_vulnerable_phppresentation 134c704f-9b21-4f2e-91b3-4a467353bcc0