CVE-2026-35585— File Browser has a Command Injection via Hook Runner

File Browser has a Command Injection via Hook Runner

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. From 2.0.0 through 2.63.1, the hook system in File Browser — which executes administrator-defined shell commands on file events such as upload, rename, and delete — is vulnerable to OS command injection. Variable substitution for values like $FILE and $USERNAME is performed via os.Expand without sanitization. An attacker with file write permission can craft a malicious filename containing shell metacharacters, causing the server to execute arbitrary OS commands when the hook fires. This results in Remote Code Execution (RCE). This feature has been disabled by default for all installations from v2.33.8 onwards, including for existent installations.

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OS命令中使用的特殊元素转义处理不恰当(OS命令注入)

File Browser 参数注入漏洞

File Browser是File Browser开源的一个文件管理界面，在指定的目录，它可以用来上传，删除，预览和编辑文件。 File Browser 2.0.0至2.63.1版本存在参数注入漏洞，该漏洞源于钩子系统对变量替换的清理不足，可能导致具有文件写入权限的攻击者通过特制文件名注入shell元字符，导致远程代码执行。

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