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Medium 5.4Published Jul 8, 2026

CVE-2026-59997internal-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 secur…

Updated under an hour ago ()

Does this affect you?

It affects openbsd openssh. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
5.4 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Weakness (CWE)
CWE-1284
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Analyzed
Record last updated
Jul 9, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
openbsd openssh
openbsd:openssh
before 10.4
NVD

References

  • release-notes
  • release-notes
  • mailing-list, release-notes

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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