Vulnerability DatabaseCVE-2026-82640
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CVE-2026-82640
Published:August 30, 2026
Updated:September 19, 2026
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.
Related Resources (6)
https://github.com/browser-use/web-ui/blob/v3.0.0/src/webui/webui_manager.py
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82640.json
https://nvd.nist.gov/vuln/detail/CVE-2026-82640
https://github.com/browser-use/web-ui
https://www.vulncheck.com/advisories/browser-use-web-ui-2.0.0-through-3.0.0-cleartext-api-key-storage
https://github.com/browser-use/web-ui/issues/736
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CVSS v4
Base Score:
6.8
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Cleartext Storage of Sensitive Information
CWE-312
EPSS
Base Score:
0.06