{"uuid": "ce81276e-aa58-41e6-bb21-2646dbe1321f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-55040", "type": "seen", "source": "https://infosec.exchange/users/tomcat/statuses/117086945753149285", "content": "\ud83d\uded1 Attackers are exploiting a SharePoint authentication bypass.\nCVE-2026-55040 lets unauthenticated attackers forge JWTs and impersonate any SharePoint site user, including administrators. Eight of 12 recorded exploit attempts occurred on August 12 and 13, after Rapid7 published a PoC.\nSee how the exploit works: https://thehackernews.com/2026/08/attackers-exploit-sharepoint.html", "creation_timestamp": "2026-08-13T07:10:07.603416Z"}