Auth bypass in Attendize

CVE-2026-72547

An insecure direct object reference vulnerability in Attendize through commit 9289acb allows any authenticated event organiser to bulk import attendees into events belonging to other accounts via the postImportAttendee endpoint. The endpoi…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-72547?
CVE-2026-72547 is a high-severity vulnerability in Attendize, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.1/10. Published 2026-08-11.
How severe is CVE-2026-72547?
High severity. CVSS v3 base score is 7.1 out of 10.