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Vulnerabilities CVE-2026-72690

CVE-2026-72690

Medium
Open
TLP:CLEAR

Attendize Attendize - Cross-Tenant Authorization Bypass

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Description

An improper authorization vulnerability in Attendize through commit 9289acb allows an authenticated remote attacker to inject persistent mandatory survey questions into another organizer's events via the POST /event/{event_id}/question/create endpoint. The postCreateEventQuestion method loads the target event without the tenant-isolation scope, enabling cross-tenant writes; the injected question cannot be removed by the victim because the victim's account-scoped delete path cannot resolve a question owned by another tenant.

Details

CVSS Score
5.4
EPSS Score
0.25%

17th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Confidence
90%
Published
Aug 10, 2026
Last Modified
Aug 10, 2026
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