fossasia eventyay-exhibition through commit f68888e contains an authorization bypass vulnerability in the exhibitor lead creation API that allows exhibitors to access other organizers' attendee data. Exhibitors with lead scanning enabled can submit another event's pseudonymization id or order secret while naming that organizer in the URL to retrieve attendee names, emails, addresses and answers.
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Fixes

Solution

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Workaround

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History

Thu, 05 Nov 2026 15:30:00 +0000

Type Values Removed Values Added
Description fossasia eventyay-exhibition through commit f68888e contains an authorization bypass vulnerability in the exhibitor lead creation API that allows exhibitors to access other organizers' attendee data. Exhibitors with lead scanning enabled can submit another event's pseudonymization id or order secret while naming that organizer in the URL to retrieve attendee names, emails, addresses and answers.
Title eventyay-exhibition through commit f68888e Cross-Event Attendee Data Disclosure via Lead Creation API
Weaknesses CWE-639
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:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-05T15:11:44.140Z

Reserved: 2026-11-04T23:26:08.935Z

Link: CVE-2026-122325

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-05T16:17:45.323

Modified: 2026-11-05T16:17:45.323

Link: CVE-2026-122325

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses