{"vulnerability": "cve-2026-100646", "sightings": [{"uuid": "c6242c33-cc81-4b52-b852-903edbd11b3e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-100646", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mwhzv7wjst25", "content": "CVE-2026-100646 - siyuan\nVersions of SiYuan up to 3.8.3 treat web requests that lack an Origin header as safe, which lets a malicious website make a simple request and obtain administrator privileges. An\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#siyuan #siyuannote #CVE #infosec", "creation_timestamp": "2026-09-27T05:10:05.381776Z"}, {"uuid": "b5ea1dd9-5f44-4347-9fa3-4f1be7067d7a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-100646", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mwkan3f6it2m", "content": "\ud83d\udfe0 CVE-2026-100646 - High (8.1)\n\nSiYuan is a self-hosted personal knowledge management system. In versions up to and including 3.8...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-100646/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-09-28T02:16:08.881445Z"}]}