CVE-2026-94111

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.

CVSS v3 6.6 MEDIUM

6.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 4.7

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/Tencent/BrowserSkill/blob/cli-v0.3.0/crates/bsk-cli/src/daemon/ws.rs#L36-L57
https://github.com/Tencent/BrowserSkill/issues/273
https://www.vulncheck.com/advisories/tencent-browserskill-through-0.3.0-origin-validation-error-in-local-websocket-daemon

Configurations

No configuration.

History

20 Sep 2026, 12:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-20 12:17

Updated : 2026-09-22 20:43

NVD link : CVE-2026-94111

Mitre link : CVE-2026-94111

CVE.ORG link : CVE-2026-94111

JSON object : View

Products Affected

No product.

CWE

CWE-346

Origin Validation Error

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