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CVE-2026-53903

🗓️ 01 Jul 2026 11:58:36Reported by CERT-PLType 
cve
 cve
🔗 web.nvd.nist.gov👁 94 Views🌐 WEB

MCO insecure direct object reference in fetchPdfStatement allows access to others' trading documents via document ID; confirmed in 25.3.3.1.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-53903
1 Jul 202611:58
–attackerkb
circl
Circl
CVE-2026-53903
1 Jul 202613:45
–circl
cvelist
Cvelist
CVE-2026-53903 Insecure Direct Object Reference in MCO
1 Jul 202611:58
–cvelist
euvd
EUVD
EUVD-2026-40949
1 Jul 202611:58
–euvd
nvd
NVD
CVE-2026-53903
1 Jul 202613:17
–nvd
ptsecurity
Positive Technologies
PT-2026-54829
1 Jul 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-53903: Authorization Bypass Through User-Controlled Key
1 Jul 202600:00
–rapid7
NVD
[
  {
    "vendor": "MyComplianceOffice",
    "product": "MCO",
    "versions": [
      {
        "status": "affected",
        "version": "25.3.3.1",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]
ParameterPositionPathDescriptionCWE
document IDpath/customer/servlet/mco/webapi/trading-document/fetchPdfStatementInsecure Direct Object Reference (IDOR) in the fetchPdfStatement endpoint allows unauthorized access to trading documents by providing a valid document identifier.CWE-639

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