CVE-2026-94111Tencent BrowserSkill
NVD
Vulnerability Summary
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 v4.0 Base Metrics — Score 6.9 (MEDIUM)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:NAttack VectorLocal
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredLow
User InteractionNone
Confidentiality (Vulnerable System)Low
Integrity (Vulnerable System)High
Availability (Vulnerable System)Low
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
Show CVSS v3.x metrics (score 6.6)
CVSS v3.1 Base Metrics — Score 6.6 (MEDIUM)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:LAttack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityHigh
AvailabilityLow
Affected & Patched Versions
- Tencent BrowserSkill <= 0.3.0
- Tencent BrowserSkill 0.3.0
What to do
Fix it during your normal patch cycle. No exploitation is confirmed yet.
- Check whether you run Tencent BrowserSkill and which version.
- Update to a patched version listed above, then confirm the new version.
Timeline
- Sep 20, 2026Published
- Sep 21, 2026Record last modified
Score, severity and exploitation changes are tracked from the day Watchtower started logging them.
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External References
Data last checked: Nov 14, 2026 01:09 UTC