Impact
A symlink traversal vulnerability was discovered in the Read/Write File node in n8n. While the node attempts to restrict access to sensitive directories and files, it does not properly account for symbolic links (symlinks). An attacker with the ability to create symlinks—such as by using the Execute Command node—could exploit this to bypass the intended directory restrictions and read from or write to otherwise inaccessible paths. Users of n8n.cloud are not impacted.
Patches
Affected users should update to version 1.106.0 or later.
Workarounds
Until the patch is applied:
- Disable or restrict access to the
Execute Command node and any other nodes that allow arbitrary file system access.
- Avoid using the
Read/Write File node on untrusted paths or inputs that could be manipulated via symlinks.
References
Mahmoud0x00 Finder
Impact
A symlink traversal vulnerability was discovered in the
Read/Write Filenode in n8n. While the node attempts to restrict access to sensitive directories and files, it does not properly account for symbolic links (symlinks). An attacker with the ability to create symlinks—such as by using theExecute Commandnode—could exploit this to bypass the intended directory restrictions and read from or write to otherwise inaccessible paths. Users of n8n.cloud are not impacted.Patches
Affected users should update to version 1.106.0 or later.
Workarounds
Until the patch is applied:
Execute Commandnode and any other nodes that allow arbitrary file system access.Read/Write Filenode on untrusted paths or inputs that could be manipulated via symlinks.References