2026-02-04 Customs Certificate - Update of the CertSign Application

Published: 04.02.2026 16:06 (Warsaw time)

Updated: 04.02.2026 16:07 (Warsaw time)

The CertSign application, which provides customs certificate functionality, has a vulnerability that could allow unauthorized actions if a user's computer is compromised or through a fake website. Users are urged to immediately update by completely uninstalling the current version and downloading the new version 1.4.5 available on PUESC.

Vulnerability detected in CertSign application.
New version 1.4.5 available on PUESC.
Users must uninstall the current application to update.
No cases of vulnerability exploitation reported yet.
Update is preventive due to potential serious consequences.

View original on PUESC

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