CVE-2026-84201 — appium-mcp-server through 0.1.61 Path Traversal in write_file and write_files_batch
appium-mcp-server through 0.1.61 fails to validate or normalize file paths in the write_file and write_files_batch tools, allowing attackers to write files outside the intended …
Published: 2026-09-01 · CVSS: 6.9 · CVSS 4.0
appium-mcp-server through 0.1.61 fails to validate or normalize file paths in the write_file and write_files_batch tools, allowing attackers to write files outside the intended PROJECT_ROOT directory. Attackers can supply absolute paths or relative paths with parent directory segments to overwrite arbitrary files with the server user's privileges, including shell profiles and configuration files in the home directory.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7