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OpenAdvisories
High · 8.0 CVE-2025-41255 EUVD-2025-19096GHSA-wxfx-h38m-cr9x

Cyberduck and Mountain Duck - Improper Certificate Store Handling

Published Jun 25, 2025 · Updated Jun 25, 2025 · Assigned by sba-research

Description

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.

Affected products

VendorProductAffectedFixed
iterate Cyberduck ≤ 9.1.6 —
iterate Mountain Duck ≤ 4.17.5 —

References