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CVE-2026-57960— Hi.Events 1.9.0 - Unauthenticated Attendee PII Exposure via Check-in List short_id

Quick assessment

Affected
HiEventsDev Hi.Events
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Hi.Events是Hi.Events组织的一个活动票务与管理平台。 Hi.Events 1.9.0及之前版本存在日志信息泄露漏洞，该漏洞源于签到列表端点使用short_id作为唯一访问控制，可能导致未经身份验证的攻击者检索完整的参与者列表，包括电子邮件和个人信息。

CVSS 6.5 · Medium EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 1

VendorProduct Version RangeStatus
HiEventsDev Hi.Events ≤ 1.9.0 affected
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I. Basic Information for CVE-2026-57960

Vulnerability Information
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Vulnerability Title
Hi.Events 1.9.0 - Unauthenticated Attendee PII Exposure via Check-in List short_id
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
侵犯隐私
Source: CVE Program / CVE List V5
Vulnerability Title
Hi.Events 日志信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hi.Events是Hi.Events组织的一个活动票务与管理平台。 Hi.Events 1.9.0及之前版本存在日志信息泄露漏洞，该漏洞源于签到列表端点使用short_id作为唯一访问控制，可能导致未经身份验证的攻击者检索完整的参与者列表，包括电子邮件和个人信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
HiEventsDev Hi.Events 0 ~ 1.9.0 -

II. Public POCs for CVE-2026-57960

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III. Intelligence Information for CVE-2026-57960

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Patches & Fixes for CVE-2026-57960 (1)

Proof of Concept for CVE-2026-57960 (1)

Other References for CVE-2026-57960 (1)

IV. Related Vulnerabilities

Same product: Hi.Events
Same vendor: HiEventsDev
Same weakness: CWE-359

V. Comments for CVE-2026-57960

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