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.
{
"unresolved_ranges": [
{
"extracted_events": [
{
"last_affected": "4.17.5"
}
],
"source": "AFFECTED_FIELD"
}
],
"cna_assigner": "sba-research",
"cwe_ids": [
"CWE-266"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/41xxx/CVE-2025-41255.json"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "9.1.6"
},
{
"fixed": "9.1.6"
}
],
"source": [
"AFFECTED_FIELD",
"DESCRIPTION"
]
}