CVE-2026-77375
SFTPGo: Denial of service via malformed SSH channel request
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
SFTPGo is an open source, event-driven file transfer solution. Prior to 2.7.5, an authenticated SSH user can send a malformed protocol message while opening a channel, causing an unhandled error that terminates the server process and affects all connected users until restart. No confidentiality or integrity impact has been identified. This issue is fixed in 2.7.5.
| CWE | CWE-129 |
| Vendor | drakkan |
| Product | sftpgo |
| Published | Oct 13, 2026 |
| Last Updated | Oct 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
drakkan / sftpgo
< 2.7.5