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 endpoint loads the target event by ID without verifying ownership against the requesting organiser account. An attacker can inject bulk attendee data into any event in the system regardless of account boundaries.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Attendize | Attendize | affected |
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Fixes
Solution
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Workaround
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References
| Link | Providers |
|---|---|
| https://github.com/Attendize/Attendize |
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History
Tue, 11 Aug 2026 11:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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 endpoint loads the target event by ID without verifying ownership against the requesting organiser account. An attacker can inject bulk attendee data into any event in the system regardless of account boundaries. | |
| Title | Attendize Attendize - Insecure Direct Object Reference | |
| Weaknesses | CWE-639 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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MITRE
Status: PUBLISHED
Assigner: TuranSec
Published:
Updated: 2026-08-11T11:09:44.325Z
Reserved: 2026-08-10T10:32:49.081Z
Link: CVE-2026-72547
Vulnrichment
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NVD
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Weaknesses