CVE-2026-82640

Description

browser-use web-ui versions 2.0.0 through 3.0.0 write configured LLM API keys to disk in cleartext without encryption or access restrictions. Attackers with read access to the temporary settings directory can recover provider API keys from predictably-named JSON files.

CVSS Vector

References

• https://github.com/browser-use/web-ui
• https://github.com/browser-use/web-ui/blob/v3.0.0/src/webui/webui_manager.py
• https://github.com/browser-use/web-ui/issues/736
• https://www.vulncheck.com/advisories/browser-use-web-ui-2.0.0-through-3.0.0-cleartext-api-key-storage