Vulnerability details
CVE-2026-111490
TPC Software Matchpoint
Insecure direct object reference (IDOR) vulnerability in the MatchPoint API
CVSS 4.0
9.9Critical
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.9Critical | 4.0 | CVEProject cvelistV5 (CNA) (INCIBE) | 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 |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| TPC Software | Matchpoint | Versions prior to latest one | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-11-06
- Last updated
- 2026-11-06
- State
- Published
- Assigner (CNA)
- INCIBE
- Kolun priority
- 23 · Low
Exploit prediction (EPSS)
0.37%
Probability of exploitation in 30 days
31.6%
Percentile (among all CVEs)
Weaknesses (CWE)
- CWE-639Authorization bypass through User-Controlled key