{"id":"CVE-2026-82640","title":"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","summary":"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 fr…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-312"],"published":"2026-08-30","updated":"2026-09-10","sourceUpdated":"2026-09-10T15:53:23.707","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-82640","references":[{"url":"https://github.com/browser-use/web-ui","label":"disclosure@vulncheck.com"},{"url":"https://github.com/browser-use/web-ui/blob/v3.0.0/src/webui/webui_manager.py","label":"disclosure@vulncheck.com"},{"url":"https://github.com/browser-use/web-ui/issues/736","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/browser-use-web-ui-2.0.0-through-3.0.0-cleartext-api-key-storage","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00057,"epssPercentile":0.00007,"ingestedAt":"2026-08-30T23:59:28.129Z","slug":"CVE-2026-82640","body":"## Overview\n\nbrowser-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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}