CVE-2026-82640
browser-use web-ui 2.0.0 through 3.0.0 Cleartext API Key Storage
- State
- Published
- Severity
- 6.8 Medium
- Published
- Aug 30, 2026
- Updated
- Sep 24, 2026
- Reserved
- Aug 30, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-312 Cleartext Storage of Sensitive Information
Affected Products
| Product | Versions |
|---|---|
web-uibrowser-use |
|
References
- GitHub Issue #736issue-tracking
- https://github.com/browser-use/web-uiproduct
- https://github.com/browser-use/web-ui/blob/v3.0.0/src/webui/webui_manager.pytechnical-description
- VulnCheck Advisory: browser-use web-ui 2.0.0 through 3.0.0 Cleartext API Key Storagethird-party-advisory
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