CVE-2026-94111

Tencent BrowserSkill through 0.3.0 Origin Validation Error in Local WebSocket Daemon

MEDIUM
6.6
CVSS Score
Published: September 20, 2026 at 11:56 AM UTC
Updated: September 22, 2026 at 09:01 PM UTC
1 product affected across 1 vendorBrowserSkill

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Severity
MEDIUM6.6
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 0.3.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.6MEDIUMVulnCheck
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
LOW
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-346

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