Vulnerability 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 Score
MEDIUM
Related Weaknesses (CWE)
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-clea
FAQ
What is CVE-2026-82640?
CVE-2026-82640 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 direc...
How severe is CVE-2026-82640?
CVE-2026-82640 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-82640?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.