In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host name has shell metacharacters, and this name is referenced by an expansion token in certain situations. For example, an untrusted Git repository can have a submodule with shell metacharacters in a user name or host name. CREATE(Triage):(User=admin) CVE-2023-51385 (https://nvd.nist.gov/vuln/detail/CVE-2023-51385)
