CVE-2026-82637

Summary

browser-use web-ui versions 2.0.0 through 3.0.0 fail to validate browser settings paths in run_agent_task, allowing attackers to create directories at arbitrary locations by supplying absolute paths to save_recording_path, save_trace_path, save_agent_history_path, or save_download_path parameters. Attackers can exploit this via the unauthenticated Gradio interface to create directories anywhere the root-running container has write access.

Affected Software

Weaknesses

• CWE-73: External Control of File Name or Path

References

• https://github.com/browser-use/web-ui/issues/737
• https://github.com/browser-use/web-ui
• https://github.com/browser-use/web-ui/blob/v3.0.0/src/webui/components/browser_use_agent_tab.py
• https://www.vulncheck.com/advisories/browser-use-web-ui-2.0.0-through-3.0.0-arbitrary-directory-creation

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