CVE-2026-82640

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.

  • Published Aug 30, 2026
  • CVSS 6.8 medium
  • 0.1% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-82640 at the National Vulnerability Database