CVE-2026-57960

mediumCVSS 6.5covered by 1 sourcefirst seen 2026-06-29

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.

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Exploitation outlook

Low exploitation risk0.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all EPSS-scored CVEs.

Advisory coverage (1)

mediumCVE-2026-57960: Hi.Events through 1.9.0 public check-in list endpoints use short_id as sole access control, al…nvd · 2026-06-29

External references

NVD record for CVE-2026-57960

CVE.org record

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