CVE-2026-121937

loonflow before r3.2.3 IDOR via ticket_flow_history Endpoint

Published Nov 4, 2026 CVSS 4.0 · 2.3 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
References
Metrics ssvc

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 4, 2026, 6:55 PM
Reserved
Nov 4, 2026, 12:05 PM
Status
Deferred
Published
Nov 4, 2026, 1:17 PM
Modified
Nov 12, 2026, 9:36 PM