What is CVE-2026-57960?

CVE-2026-57960 is a medium-severity vulnerability in Hieventsdev Hi.events, classified under Exposure of Private Personal Information to an Unauthorized Actor. CVSS score: 6.5/10. Published 2026-06-29.

How severe is CVE-2026-57960?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Hieventsdev Hi.events

CVE-2026-57960

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…

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N.

Affected products

Hieventsdev Hi.events — versions 0

Weakness classification (CWE)

CWE-359 — Exposure of Private Personal Information to an Unauthorized Actor

References

disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-57960?: CVE-2026-57960 is a medium-severity vulnerability in Hieventsdev Hi.events, classified under Exposure of Private Personal Information to an Unauthorized Actor. CVSS score: 6.5/10. Published 2026-06-29.
How severe is CVE-2026-57960?: Medium severity. CVSS v3 base score is 6.5 out of 10.