{"vulnerability": "CVE-2026-52767", "sightings": [{"uuid": "c32178e3-63e7-4bfc-8802-baa206a60495", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-52767", "type": "published-proof-of-concept", "source": "https://github.com/YesWiki/yeswiki/security/advisories/GHSA-mv28-wj57-f57g", "content": "", "creation_timestamp": "2026-07-09T22:35:23.624585Z"}, {"uuid": "8b06fe33-6d09-49cd-add5-fbeb34e3c175", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-52767", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3muqlr5bgtt2k", "content": "\ud83d\udfe0 CVE-2026-52767 - High (8.2)\n\nYesWiki is a wiki system written in PHP. From version 4.6.2 to before version 4.6.6, HttpSignatur...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-52767/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-09-05T04:00:51.997270Z"}, {"uuid": "54e1f26f-b371-47dd-9c37-b8326becc963", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-52767", "type": "seen", "source": "https://mastodon.social/users/hugovalters/statuses/117235738545754231", "content": "CVE-2026-52767: YesWiki (4.6.2-4.6.5) improper openssl_verify check via loose boolean negation allows auth bypass (CVSS 8.2). Attackers can forge signatures and trigger processActivity(). Unpatched\u2014upgrade to 4.6.6 or disable affected endpoints now. https://www.valtersit.com/cve/", "creation_timestamp": "2026-09-08T13:50:10.090860Z"}, {"uuid": "e1196ec4-5e36-4393-93d2-3c24d9647aac", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-52767", "type": "seen", "source": "https://bsky.app/profile/hugovalters.bsky.social/post/3muz63khtyq2x", "content": "CVE-2026-52767: YesWiki (4.6.2-4.6.5) improper openssl_verify check via loose boolean negation allows auth bypass (CVSS 8.2). Attackers can forge signatures and trigger processActivity(). Unpatched\u2014upgrade to 4.6.6 or disable affected endpoints now. https://www.valtersit.com/cve/", "creation_timestamp": "2026-09-08T13:50:05.981090Z"}]}