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CVE-2026-94111

Tencent BrowserSkill through 0.3.0 Origin Validation Error in Local WebSocket Daemon

CVSS 4.0 6.9 MEDIUMCVSS 3.1 6.6 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-94111

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-94111

Published

BrowserSkill

https://registry.npmjs.org

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Tencent",
                    "product": "BrowserSkill",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "0.3.0",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ],
                    "packageURL": "pkg:npm/browser-skill",
                    "collectionURL": "https://registry.npmjs.org",
                    "repo": "https://github.com/Tencent/BrowserSkill"
                }

Original source record · Cite this exact observation · Complete original publisher JSON