High severity8.0OSV Advisory· Published Jun 25, 2025· Updated Jun 17, 2026

CVE-2025-41255

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Iterate Ch/CyberduckOSV2 versions
$TAG_NAME, release-3-3, release-3-3-1, …+ 1 more
- (no CPE)range: $TAG_NAME, release-3-3, release-3-3-1, …
- (no CPE)range: <=9.1.6
Mountain Duck/Mountain Duckllm-create
Range: <=4.17.5

Patches

Vulnerability mechanics

References

github.com/iterate-ch/cyberduck/security/advisories/GHSA-vjjc-grpp-m655nvd
github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250325-01_Cyberduck_Mountain_Duck_Certificate_Handlingnvd

News mentions

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