{"uuid": "ee626111-bdd8-494b-9b81-1def44e7ca1b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-45034", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/116795769618912715", "content": "CVE-2026-45034: CRITICAL deserialization of untrusted data in PHPOffice PhpSpreadsheet allows RCE via phar stream wrappers. Patch to 1.30.5 to mitigate. PHP 7.x at highest risk. https://radar.offseq.com/threat/cve-2026-45034-cwe-502-deserialization-of-untruste-7ddc5d39407c5a37 #OffSeq #CVE202645034 #PHP #infosec", "creation_timestamp": "2026-06-22T21:00:13.828042Z"}