AIKIDO-2026-593413
webdav-server is vulnerable to Path Traversal
100
CVE Score
Critical
Path Traversal
TL;DR
The WebDAV server resolves user-supplied request paths without ensuring they stay inside the configured server root. Requests containing parent-directory sequences can escape the root and reach arbitrary locations on the host file system. Before the fix, most path-based methods including GET, PROPFIND, PUT, and MOVE could read, create, modify, move, or delete files outside the intended scope. The fix resolves each requested path relative to the server root and aborts the operation when resolution would escape that root.
How do I fix this?
Upgrade the webdav-server library to the patch version.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and your server is backed by a physical file system, or a custom file system implementation that does not itself validate request paths. Servers whose file system backend independently rejects out-of-scope paths are not exposed.
Package
Versions
2.0.0 - 2.6.2
Fixed in 2.6.3Background info
webdav-server is vulnerable to Path Traversal in versions 2.0.0 - 2.6.2.
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