CVE-2026-125361

MediumCVSS 6.3/10Last modified Nov 12, 2026

Description

Tencent BrowserSkill through 0.4.2 contains a missing authentication vulnerability that allows local attackers to impersonate the bsk daemon because remoteSocket() connects to the loopback WebSocket without credentials or peer verification. Attackers who bind the daemon port before it starts or after it exits receive the extension's full tool surface, including evaluate, to run JavaScript through CDP in logged-in browser tabs.

Metrics

CVSS 3.1 6.3/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Nov 10, 2026
Last modified
Nov 12, 2026
NVD status
Deferred

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CVE-2026-125361: Medium severity, CVSS 6.3 | Vulnix