{"id":"CVE-2026-121937","title":"loonflow before r3.2.3 IDOR via ticket_flow_history Endpoint","summary":"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_…","severity":"low","cvss":3.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-639"],"vendor":"blackholll","product":"loonflow","affected":["loonflow < r3.2.3"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-04T18:55:17.049546Z"},"exploitAvailable":true,"published":"2026-11-04","updated":"2026-11-04","sourceUpdated":"2026-11-04T18:55:42.235Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121937","references":[{"url":"https://github.com/blackholll/loonflow/issues/591"},{"url":"https://hackmd.io/@hieuPenguinnn/loonflow-ticket-flow-history-idor"},{"url":"https://github.com/blackholll/loonflow/commit/a6495b0c2ca9e5dede8e49217a0468bcfa946de4"},{"url":"https://github.com/blackholll/loonflow/blob/r3.2.2/backend/apps/ticket/views.py#L265-L286"},{"url":"https://www.vulncheck.com/advisories/loonflow-before-r3-2.3-idor-via-ticket-flow-history-endpoint","label":"VulnCheck Advisory: loonflow before r3.2.3 IDOR via ticket_flow_history Endpoint"}],"tags":["cve.org","exploit-available"],"ingestedAt":"2026-11-05T21:36:00.511Z","epss":0.0032,"epssPercentile":0.25134,"slug":"CVE-2026-121937","body":"## Overview\n\nloonflow 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.\n\n## Affected\n\n- `loonflow < r3.2.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":29,"depthScoreParts":{"impact":17.1,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}