{"id":"CVE-2026-121937","published":"2026-11-04T13:17:27.870","lastModified":"2026-11-04T19:17:33.860","description":"loonflow before r3.2.3 contains a missing authorization vulnerability in TicketFlowHistoryView that allows any authenticated user to read other users' ticket flow history by supplying a ticket UUID. Attackers can request the ticket_flow_history endpoint, which skips ticket_view_permission_check, to obtain approval comments and processor names, emails and phone numbers.","cvssScore":3.1,"cvssSeverity":"LOW","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","cwes":["CWE-639"],"vendors":[],"products":[],"references":[{"url":"https://github.com/blackholll/loonflow/blob/r3.2.2/backend/apps/ticket/views.py#L265-L286","tags":[]},{"url":"https://github.com/blackholll/loonflow/commit/a6495b0c2ca9e5dede8e49217a0468bcfa946de4","tags":[]},{"url":"https://github.com/blackholll/loonflow/issues/591","tags":[]},{"url":"https://hackmd.io/@hieuPenguinnn/loonflow-ticket-flow-history-idor","tags":[]},{"url":"https://www.vulncheck.com/advisories/loonflow-before-r3-2.3-idor-via-ticket-flow-history-endpoint","tags":[]},{"url":"https://hackmd.io/@hieuPenguinnn/cve-2026-121937-loonflow-ticket-flow-history-idor","tags":[]}],"exploitRefs":[{"url":"https://github.com/blackholll/loonflow/blob/r3.2.2/backend/apps/ticket/views.py#L265-L286","tags":[]},{"url":"https://github.com/blackholll/loonflow/commit/a6495b0c2ca9e5dede8e49217a0468bcfa946de4","tags":[]},{"url":"https://github.com/blackholll/loonflow/issues/591","tags":[]}],"hasPoc":true,"ai":null}