CVE-2026-121937

Low

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.

SeverityLow

CVSS3.1

Exploit probability—

ProductLoonflow

PublishedNov 4, 2026

First seenNov 4, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Update

loonflowr3.2.3 or later

Patches

github.com/blackholll/loonflow/commit/a6495b0c2ca9e5dede8e49217a0468bcfa946de4

Affected products

Product	Affected versions	Fixed in
loonflow	No range specified	r3.2.3

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