CVE-2026-53906 Details
Description
MCO is vulnerable to Path Disclosure and Path Traversal in file handling functionality related to data export and upload. Improper validation of the filename parameter allows writing files to arbitrary locations as well as indirect disclosure of absolute server paths through error messages. Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 25.3.3.1 but may also affect other versions.
A path disclosure and path traversal vulnerability has been identified in MyComplianceOffice (MCO) version 25.3.3.1. This issue arises from improper validation of the filename parameter in the application's file handling functionality related to data export and upload. As a result, the vulnerability allows writing files to arbitrary locations on the server and indirectly disclosing absolute server paths through error messages.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 1, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://cert.pl/en/posts/2026/07/CVE-2026-53902 | [email protected] | Third Party Advisory |
| https://mco.mycomplianceoffice.com/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-209 | Generation of Error Message Containing Sensitive Information | [email protected] |
| CWE-22 | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| mycomplianceoffice mycomplianceoffice | 25.3.3.1 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 6, 2026 | Initial Analysis | [email protected] |
| Jul 1, 2026 | CVE Modified | CISA-ADP |
| Jul 1, 2026 | New CVE Received | [email protected] |