CVE-2026-34084

creationtimestamp| type| source ---|---|--- 2026-04-28 23:47:52+00:00| published-proof-of-concept| https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-q4q6-r8wh-5cgh 2026-05-05 20:38:47+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3ml526ebzri2k 2026-05-06...