AUGUST 4, 2026
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Case File

CVE-2025-41256

HIGH · CVSS 7.4 EPSS 0.11% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-06-25 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.4. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2025-41256
Severity
HIGH
CVSS
7.4
EPSS
0.11%

Original NVD 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.