Vulnerability Description
Hi.Events through 1.9.0 public check-in list endpoints use short_id as sole access control, allowing unauthenticated access to retrieve full attendee lists including emails and personal information. Attackers with knowledge of the short_id can call GET /api/public/check-in-lists/{short_id}/attendees to read attendee data and create or delete check-in records without authentication.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/HiEventsDev/Hi.Events/issues/1224
- https://github.com/HiEventsDev/Hi.Events/pull/1229
- https://www.vulncheck.com/advisories/hi-events-unauthenticated-attendee-pii-expo
- https://github.com/HiEventsDev/Hi.Events/issues/1224
FAQ
What is CVE-2026-57960?
CVE-2026-57960 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Hi.Events through 1.9.0 public check-in list endpoints use short_id as sole access control, allowing unauthenticated access to retrieve full attendee lists including emails and personal information. A...
How severe is CVE-2026-57960?
CVE-2026-57960 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-57960?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.