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.
The manufacturer has announced the following measures. The server fixes for CVE-2026-111490 and CVE-2026-111493 have already been deployed and are applied regardless of the app version. To address the remaining vulnerabilities, it is recommended that you install the latest available version.