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CVE-2026-111490— Insecure direct object reference (IDOR) vulnerability in the MatchPoint API

Quick assessment

Affected
TPC Software Matchpoint
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.

MatchPoint API 存在不安全直接对象引用（IDOR）漏洞。该 API 依赖 HTTP 请求头，却未验证请求者是否拥有对指定用户的授权。攻击者可通过操纵顺序标识符，访问个人、银行及财务数据、私密消息以及用于实体访问的二维码；同时还可修改第三方账户、更改密码、冒充用户以及转移虚拟余额。

CVSS 9.9 · Critical
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I. Basic Information for CVE-2026-111490

Vulnerability Information
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Vulnerability Title
Insecure direct object reference (IDOR) vulnerability in the MatchPoint API
Source: CVE Program / CVE List V5
Vulnerability Description
Insecure direct object reference (IDOR) vulnerability in the MatchPoint API, which relies on the `actingasuser` HTTP header without verifying the requester's authorization for the specified user. Manipulation of sequential identifiers allows access to personal, banking, and financial data, private messages, and QR codes for physical access, as well as the ability to modify third-party accounts, change passwords, impersonate users, and transfer virtual balances.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
TPC Software Matchpoint Versions prior to latest one -

II. Public POCs for CVE-2026-111490

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-111490

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Other References for CVE-2026-111490 (1)

Same Patch Batch · TPC Software · 2026-11-05 · 7 CVEs total

CVE-2026-111489 9.9 CRITICAL A static credential embedded in the mobile app has been reported to return the 'autorizado
CVE-2026-111494 9.1 CRITICAL Incorrect validation of TLS certificates in the MatchPoint Android app
CVE-2026-111493 8.7 HIGH Lack of authentication and authorization in the Images.ashx endpoint in MatchPoint
CVE-2026-111492 8.6 HIGH SQL injection in the push notification handler of the MatchPoint Android app
CVE-2026-111491 6.9 MEDIUM Credentials are stored in plain text in an SQLite database and in the MatchPoint Android a
CVE-2026-111495 5.1 MEDIUM API keys, credentials, and configuration parameters embedded in the MatchPoint APK

IV. Related Vulnerabilities

Same product: Matchpoint
Same vendor: TPC Software
Same weakness: CWE-639