{"id":"CVE-2026-114403","summary":"PHPOffice PHPPresentation through 1.2.0 Deserialization via Reader\\Serialized::load","details":"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.","modified":"2026-10-22T02:53:03.140737848Z","published":"2026-10-21T12:39:55.570Z","database_specific":{"cwe_ids":["CWE-502"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114403.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114403.json"},{"type":"PACKAGE","url":"https://github.com/PHPOffice/PHPPresentation"},{"type":"ARTICLE","url":"https://github.com/PHPOffice/PHPPresentation/blob/1.2.0/src/PhpPresentation/IOFactory.php#L39"},{"type":"ARTICLE","url":"https://github.com/PHPOffice/PHPPresentation/blob/1.2.0/src/PhpPresentation/Reader/Serialized.php#L77-L109"},{"type":"ADVISORY","url":"https://hackmd.io/@leediay/multiple_vulnerable_phppresentation"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114403"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/phpoffice-phppresentation-through-1.2.0-deserialization-via-reader-serialized-load"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/phpoffice/phppresentation","events":[{"introduced":"0"},{"last_affected":"b9cdcd413e2d463ba3198f912f32716adc88f340"}],"database_specific":{"extracted_events":[{"strategy":"StandardRange","range":[{"introduced":"0"},{"last_affected":"1.2.0"}],"source":"AFFECTED_FIELD"}]}}],"versions":["1.2.0","1.1.0","1.0.0","0.9.0","0.8.0","0.7.0","0.6.0","0.5.0","0.4.0","0.3.0","0.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-114403.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}