CVE-2026-59997
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.
CSIRTS triage
- What
- OpenSSH's internal-sftp only recognizes the first 9 command-line arguments, potentially compromising SFTP security.
- Who is affected
- Deployments of OpenSSH before version 10.4 using internal-sftp.
- Urgency
- Remediation is medium urgency due to the potential security implications, though exploitation is not currently reported.
- Action
- Upgrade to OpenSSH version 10.4 or later.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.
Advisory coverage (2)
External references
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