{"vulnerability": "cve-2026-59931", "sightings": [{"uuid": "859c1e20-7e87-4f85-9bef-c8476156ba51", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-59931", "type": "published-proof-of-concept", "source": "https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-6hq5-7373-42rg", "content": "", "creation_timestamp": "2026-07-23T16:35:09.711417Z"}, {"uuid": "06623c64-7056-48f8-917e-67d3aea74327", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-59931", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mrq3udnieo2f", "content": "\ud83d\udfe0 CVE-2026-59931 - High (7.7)\n\nPhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In versions 4.0.0...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-59931/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-07-28T19:00:43.848473Z"}, {"uuid": "ded780ac-7b0a-4a9e-927c-e91e1ae260dc", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-59931", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mrq5wdv76q22", "content": "CVE-2026-59931 - PhpSpreadsheet: SSRF bypass via HTTP redirect in WEBSERVICE() domain whitelist\nCVE ID : CVE-2026-59931\n \n Published : July 28, 2026, 6:17 p.m. | 23\u00a0minutes ago\n \n Description : PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In ...", "creation_timestamp": "2026-07-28T19:37:38.264152Z"}]}