{"schema":"threatline.record/2","record":{"id":"CVE-2026-114403","aliases":[],"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.","categories":["Unclassified"],"product":"PHPPresentation","vendor":"PHPOffice","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-114403","source_modified_at":"2026-10-21T12:39:55.570Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"PHPPresentation","vendor":"PHPOffice","versions":[{"version":"0","lessThanOrEqual":"1.2.0","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":9.2,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00477,"percentile":0.40272,"score_date":"2026-10-23"},"published_at":"2026-10-21T12:39:55.570Z","modified_at":"2026-10-21T12:39:55.570Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-114403","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-21T12:39:55.570Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-114403","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@leediay/multiple_vulnerable_phppresentation","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://github.com/PHPOffice/PHPPresentation/blob/1.2.0/src/PhpPresentation/Reader/Serialized.php#L77-L109","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/PHPOffice/PHPPresentation/blob/1.2.0/src/PhpPresentation/IOFactory.php#L39","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/PHPOffice/PHPPresentation","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/phpoffice-phppresentation-through-1.2.0-deserialization-via-reader-serialized-load","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-21T12:39:55.570Z","content_hash":"5b7f4e149d8062b9227b5ad87da6a6396e7aaa7ba9532efe4f7f767e8fcff3aa"}}