CVE-2026-55557

browse-mcp is a Playwright-based headless-browser MCP server for MCP-capable agents. Prior to 0.8.2, browserdownload writes a fetched response body to joinsavedir, filename without validating the caller-controlled savedir, while browsersavestate and browserloadstate honor a caller-controlled path...

browse-mcp has an arbitrary file write via unconfined download and state paths

Impact browserdownload wrote a fetched file to joinsavedir, filename with no validation of savedir, and browsersavestate / browserloadstate honored an explicit path unchanged. The MCP caller controls these arguments a malicious MCP client, or an autonomous agent steered by indirect prompt injecti...

EUVD-2026-65581

browse-mcp is a Playwright-based headless-browser MCP server for MCP-capable agents. Prior to 0.8.2, browserdownload writes a fetched response body to joinsavedir, filename without validating the caller-controlled savedir, while browsersavestate and browserloadstate honor a caller-controlled path...

CVE-2026-55557 browse-mcp: Arbitrary file write via unconfined download and state paths

browse-mcp is a Playwright-based headless-browser MCP server for MCP-capable agents. Prior to 0.8.2, browserdownload writes a fetched response body to joinsavedir, filename without validating the caller-controlled savedir, while browsersavestate and browserloadstate honor a caller-controlled path...

CVE-2026-55557

browse-mcp is a Playwright-based headless-browser MCP server for MCP-capable agents. Prior to 0.8.2 , the browser_download function writes a fetched response body to join(save_dir, filename) without validating the caller-controlled save_dir, and browser_save_state / browser_load_state honor a cal...