CVE-2026-94111— Tencent BrowserSkill through 0.3.0 Origin Validation Error in Local WebSocket Daemon
Quick assessment
Affected
Tencent BrowserSkill
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.
Tencent BrowserSkill 0.3.0 及之前版本存在一个本地守护进程 WebSocket 源（Origin）验证中的身份验证绕过漏洞。该漏洞接受任何包含 32 个字符且字符范围在 a-p 之间的 chrome-extension 源。攻击者可以将恶意扩展注册为浏览器客户端，从而拦截并操纵返回给 AI Agent 的页面内容、DOM 和屏幕截图。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-94111
Vulnerability Information
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Vulnerability Title
Tencent BrowserSkill through 0.3.0 Origin Validation Error in Local WebSocket Daemon
Source: CVE Program / CVE List V5
Vulnerability Description
Tencent BrowserSkill through 0.3.0 contains an authentication bypass vulnerability in the local daemon WebSocket origin validation that accepts any chrome-extension origin with 32 characters in range a-p. Attackers can register a malicious extension as a browser client to intercept and manipulate page content, DOM, and screenshots returned to the AI agent.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
源验证错误
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Tencent | BrowserSkill | 0 ~ 0.3.0 | - |
|
II. Public POCs for CVE-2026-94111
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-94111 (1)
Other References for CVE-2026-94111 (1)
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V. Comments for CVE-2026-94111
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