CVE-2026-53906 | BDVDB-2026-345008 Detail

MyComplianceOfficeMCO

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.

Impact#

CAPEC-139 Relative Path Traversal

Weaknesses#

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-209 Generation of Error Message Containing Sensitive Information

References#

Exploit#

No public exploit known

History#

Version 12026-07-01Record published in the CVE List.

Published

Published: 2026-07-01
Last modified: 2026-07-01

Vendor information

Vendor: MyComplianceOffice
Product: MCO

All MyComplianceOffice vulnerabilities

Score

5.1 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 44.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Path Traversal

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
25.3.3.1
Fixed
Not stated

Scoring System

CVSS v4.0

5.1 Medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	High
User Interaction	None
Vulnerable System Confidentiality	None
Vulnerable System Integrity	None
Vulnerable System Availability	None
Subsequent System Confidentiality	Low
Subsequent System Integrity	Low
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).