Arbitrary file read via the convert_playwright_script prompt in mcp-k6

A caller who can invoke the convertplaywrightscript prompt in mcp-k6 can pass a bare file path as the playwrightscript argument and receive the contents of any file readable by the user running the server, including SSH keys and cloud credentials in that user's home directory path traversal. The...

CVE-2026-89039: Improper Limitation of a Pathname to a Restricted Directory

A caller who can invoke the convertplaywrightscript prompt in mcp-k6 can pass a bare file path as the playwrightscript argument and receive the contents of any file readable by the user running the server, including SSH keys and cloud credentials in that user's home directory path traversal. The...