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CVE-2026-82640— browser-use web-ui 2.0.0 through 3.0.0 Cleartext API Key Storage

Quick assessment

Affected
browser-use web-ui
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

浏览器使用（browser-use）的 web-ui 版本 2.0.0 至 3.0.0 会将配置的大语言模型（LLM）API 密钥以明文形式写入磁盘，且未进行加密或访问权限限制。拥有临时配置文件目录读取权限的攻击者，可以通过名称可预测的 JSON 文件恢复各服务提供商的 API 密钥。

CVSS 5.5 · Medium

Possible ATT&CK Techniques 1 AI

T1213 · Data from Information Repositories
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I. Basic Information for CVE-2026-82640

Vulnerability Information
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Vulnerability Title
browser-use web-ui 2.0.0 through 3.0.0 Cleartext API Key Storage
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文存储
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
browser-use web-ui 2.0.0 ~ 3.0.0 -

II. Public POCs for CVE-2026-82640

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III. Intelligence Information for CVE-2026-82640

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Vendor Advisories for CVE-2026-82640 (1)

Vendor Pages for CVE-2026-82640 (1)

Other References for CVE-2026-82640 (1)

IV. Related Vulnerabilities

Same product: web-ui
Same vendor: browser-use
Same weakness: CWE-312

V. Comments for CVE-2026-82640

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