CVE-2026-59997
5.4
MEDIUM
CVSS 3.1
EPSS 0.18%
Description
internal-sftp in sshd in OpenSSH before 10.4 recognizes only the first 9 command-line arguments, which can be important if a later command-line argument would have helped to ensure the intended security properties of an SFTP connection.
How to fix CVE-2026-59997
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/openssh—no fix listed
Is CVE-2026-59997 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |