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.
History

Wed, 04 Nov 2026 19:30:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 04 Nov 2026 12:45:00 +0000

Type Values Removed Values Added
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.
Title loonflow before r3.2.3 IDOR via ticket_flow_history Endpoint
First Time appeared Loonflow Project
Loonflow Project loonflow
Weaknesses CWE-639
CPEs cpe:2.3:a:loonflow_project:loonflow:*:*:*:*:*:*:*:*
Vendors & Products Loonflow Project
Loonflow Project loonflow
References
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-11-04T12:31:17.088Z

Updated: 2026-11-04T18:55:42.235Z

Reserved: 2026-11-04T12:05:48.820Z

Link: CVE-2026-121937

cve-icon Vulnrichment

Updated: 2026-11-04T18:55:36.495Z

cve-icon NVD

Status : Deferred

Published: 2026-11-04T13:17:27.870

Modified: 2026-11-12T21:36:06.743

Link: CVE-2026-121937

cve-icon Redhat

No data.