mediumCVSS 6.5Vulnerability
CVE-2026-77375
### Summary A flaw in the SSH service allows an authenticated client to crash the server by sending a malformed protocol message while opening a channel. ### Impact Any user able to authenticate over SSH can trigger an unhandled error condition that aborts the server process. This results in a denial of service affecting all connected users until the service is restarted. No confidentiality or integrity impact has been identified; the issue is limited to availability.
Properties
- severity
- medium
- summary
- SFTPGo: Denial of service via malformed SSH channel request
- cvss_score
- 6.5
- retrieved_at
- 2026-10-15T22:56:51+00:00
- ghsa_published
- 2026-10-15T20:14:20Z
- source_url
- https://github.com/advisories/GHSA-q7pc-356p-hggc
- ghsa_updated
- 2026-10-15T20:14:21Z
- ghsa_id
- GHSA-q7pc-356p-hggc
- last_source
- GitHub Advisory Database
- cve_id
- CVE-2026-77375
- cvss_vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- signal_observed_at
- 2026-10-15T22:56:51+00:00
- is_ghsa_only
- false
Related Entities (4)
VULNERABLE_TO (1)
←[Software]go/github.com/drakkan/sftpgo/v2
AFFECTS (1)
→[Software]go/github.com/drakkan/sftpgo/v2
HAS_WEAKNESS (1)
→[Weakness]Improper Validation of Array Index
REPORTED_BY (1)
→[Source]GitHub Advisory Database
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