PT-2026-54832 · Mco · Mco

Hubert Decyusz · Published 2026-07-01 · Updated 2026-07-06 · CVE-2026-53906

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

Name of the Vulnerable Software and Affected Versions MCO version 25.3.3.1

Description The software contains flaws in file handling functionality used for data export and upload. Improper validation of the filename parameter enables path traversal, allowing files to be written to arbitrary locations on the server. Additionally, the system is susceptible to path disclosure, where absolute server paths are indirectly revealed through error messages.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Generation of Error Message Containing Sensitive Information

Path traversal

Weakness Enumeration

CWE-209

CWE-22

Related Identifiers

CVE-2026-53906

Affected Products

Mco

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-53906 · Security Note
• https://twitter.com/CVEnew/status/2072324847430963259 · Twitter Post
• https://cert.pl/en/posts/2026/07/CVE-2026-53902 · Note
• https://t.me/cveNotify/188711 · Telegram Post
• https://t.me/cveNotify/183674 · Telegram Post
• https://twitter.com/infoflowcloud/status/2072325839790702859 · Twitter Post
• https://mco.mycomplianceoffice.com · Note