CVE-2026-111490

CriticalCVSS 9.9/10Last modified Nov 10, 2026

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.

Metrics

CVSS 4.0 9.9/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

CWE-639

Affected software

Vendor	Product	Versions
TPC Software	Matchpoint	Versions prior to latest one

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-tpc-softwares-matchpoint

Timeline

Published: Nov 5, 2026
Last modified: Nov 10, 2026
NVD status: Deferred

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