CVE-2026-57960 — Hi.Events 1.9.0 - Unauthenticated Attendee PII Exposure via Check-in List short_id
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 …
Published: 2026-06-29 · CVSS: 8.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7