CVE-2026-44522 Note Mark: Arbitrary File Write via Path Traversal in Asset Names Leading to Remote Code Execution

Note Mark is an open-source note-taking application. From 0.13.0 to before 0.19.4, the Note Mark application allows authenticated users to upload assets to notes via POST /api/notes/noteID/assets, where the asset filename is provided through the X-Name HTTP request header. This value is stored...