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.
Published: 2026-09-20
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 21 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sun, 20 Sep 2026 12:00:00 +0000

Type Values Removed Values Added
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.
Title Tencent BrowserSkill through 0.3.0 Origin Validation Error in Local WebSocket Daemon
Weaknesses CWE-346
References
Metrics cvssV3_1

{'score': 6.6, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-21T14:18:11.209Z

Reserved: 2026-09-20T11:41:32.291Z

Link: CVE-2026-94111

cve-icon Vulnrichment

Updated: 2026-09-21T14:16:59.050Z

cve-icon NVD

Status : Received

Published: 2026-09-20T12:17:06.787

Modified: 2026-09-21T15:17:38.413

Link: CVE-2026-94111

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-20T14:00:26Z

Weaknesses