CVE-2025-41255

Cyberduck and Mountain Duck improperly handle TLS certificate pinning for untrusted certificates (e.g., self-signed), unnecessarily installing it to the Windows Certificate Store of the current user without any restrictions.

This issue affects Cyberduck through 9.1.6 and Mountain Duck through 4.17.5.

Assigner : advisory@sba-research.org

More information : https://github.com/iterate-ch/cyberduck/security/advisories/GHSA-vjjc-grpp-m655