CVE-2025-41256

HighCVSS 7.4/10Last modified Jun 17, 2026

Description

Cyberduck and Mountain Duck improper handle TLS certificate pinning for untrusted certificates (e.g., self-signed), since the certificate fingerprint is stored as SHA-1, although SHA-1 is considered weak.

This issue affects Cyberduck: through 9.1.6; Mountain Duck: through 4.17.5.

Metrics

CVSS 3.1 7.4/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-328

Affected software

No affected versions have been published.

Timeline

Published: Jun 25, 2025
Last modified: Jun 17, 2026
NVD status: Deferred

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