OpenSSH <10.4 SCP Path Traversal Remote Files Pushed to Parent Directory
CVE-2026-59996 Published on July 8, 2026
scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations.
Vulnerability Analysis
CVE-2026-59996 is exploitable with network access, requires user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity and availability.
Weakness Type
Relative Path Traversal
The software uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. This allows attackers to traverse the file system to access files or directories that are outside of the restricted directory.
Products Associated with CVE-2026-59996
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Affected Versions
OpenBSD OpenSSH:- Before 10.4 is affected.