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 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 v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
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-exposure-via-check-in-list-short-id
https://github.com/HiEventsDev/Hi.Events/issues/1224

Configurations

No configuration.

History

30 Jun 2026, 15:16

Type	Values Removed	Values Added
References	~~() https://github.com/HiEventsDev/Hi.Events/issues/1224 -~~	() https://github.com/HiEventsDev/Hi.Events/issues/1224 -

29 Jun 2026, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-29 18:16

Updated : 2026-06-30 15:16

NVD link : CVE-2026-57960

Mitre link : CVE-2026-57960

CVE.ORG link : CVE-2026-57960

JSON object : View

Products Affected

No product.

CWE

CWE-359

Exposure of Private Personal Information to an Unauthorized Actor

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