CVE-2026-94111

MEDIUMPre-NVD 6.66.6—
EchelonGraph scoreHIGH confidence

Score 6.6 from GitHub Security Advisory published 2026-09-20. A secondary CVSS source baseline 6.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.6EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 6.6Exploit: None knownExposed services: Not assessed

No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.

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
EG Score
6.6MEDIUMhigh confidence
EG Risk
30
EG Risk 30/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity66% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.1%
EPSS %ILE
2nd
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 20, 2026

Last Modified

September 22, 2026

Advisory Details (3)

Auto-updated Sep 20, 2026
No patch confirmed yet.
generic

Tencent BrowserSkill through 0.3.0 Origin Validation Error in Local WebSocket Daemon | Advisories | VulnCheck

https://www.vulncheck.com/advisories/tencent-browserskill-through-0.3.0-origin-validation-error-in-local-websocket-daemon
generic

Local WebSocket daemon accepts commands from any browser extension, not just BrowserSkill's own · Issue #273 · Tencent/BrowserSkill · GitHub

https://github.com/Tencent/BrowserSkill/issues/273
generic

BrowserSkill/crates/bsk-cli/src/daemon/ws.rs at cli-v0.3.0 · Tencent/BrowserSkill · GitHub

https://github.com/Tencent/BrowserSkill/blob/cli-v0.3.0/crates/bsk-cli/src/daemon/ws.rs#L36-L57

Vendor Advisories for CVE-2026-94111(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 17× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-10-04 23:23 UTCEPSS rescore
  2. 2026-10-04 17:49 UTCGHSA enrichment
  3. 2026-10-03 15:52 UTCEG score recompute
  4. 2026-10-03 15:52 UTCGHSA enrichment
  5. 2026-10-03 14:26 UTCEPSS rescore
  6. 2026-10-02 17:57 UTCEPSS rescore
  7. 2026-10-02 13:54 UTCEG score recompute
  8. 2026-10-02 13:54 UTCGHSA enrichment
  9. 2026-10-01 19:51 UTCEPSS rescore
  10. 2026-10-01 11:58 UTCEG score recompute
  11. 2026-10-01 11:57 UTCGHSA enrichment
  12. 2026-09-30 15:04 UTCEPSS rescore
  13. 2026-09-30 10:06 UTCGHSA enrichment
  14. 2026-09-29 08:17 UTCEG score recompute
  15. 2026-09-29 08:17 UTCGHSA enrichment
  16. 2026-09-28 13:52 UTCEPSS rescore
  17. 2026-09-28 13:52 UTCEPSS rescore
  18. 2026-09-28 06:29 UTCEG score recompute
  19. 2026-09-28 06:29 UTCGHSA enrichment
  20. 2026-09-27 13:49 UTCEPSS rescore
  21. 2026-09-27 04:40 UTCEG score recompute
  22. 2026-09-27 04:40 UTCGHSA enrichment
  23. 2026-09-26 15:59 UTCEPSS rescore
  24. 2026-09-26 02:48 UTCEG score recompute
  25. 2026-09-26 02:48 UTCGHSA enrichment
Show 20 more
  1. 2026-09-25 00:58 UTCEG score recompute
  2. 2026-09-25 00:58 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-23 23:09 UTCEG score recompute
  5. 2026-09-23 23:09 UTCGHSA enrichment
  6. 2026-09-23 17:54 UTCEPSS rescore
  7. 2026-09-22 20:52 UTCGHSA enrichment
  8. 2026-09-22 17:12 UTCEG score recompute
  9. 2026-09-22 17:12 UTCGHSA enrichment
  10. 2026-09-22 16:01 UTCEPSS rescore
  11. 2026-09-21 21:09 UTCEPSS rescore
  12. 2026-09-21 15:23 UTCEG score recompute
  13. 2026-09-21 15:23 UTCGHSA enrichment
  14. 2026-09-21 14:25 UTCEG score recompute
  15. 2026-09-21 14:25 UTCGHSA enrichment
  16. 2026-09-21 14:11 UTCEG score recompute
  17. 2026-09-21 14:11 UTCGHSA enrichment
  18. 2026-09-20 12:22 UTCEG score recompute
  19. 2026-09-20 12:02 UTCEG score recompute
  20. 2026-09-20 12:01 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-94111?
CVE-2026-94111 is a medium vulnerability published on September 20, 2026. 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…
When was CVE-2026-94111 disclosed?
CVE-2026-94111 was first published on September 20, 2026, with the most recent update on September 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-94111 actively exploited?
CVE-2026-94111 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (2nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-94111?
CVE-2026-94111 has a CVSS base score of 6.6 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-94111?
No fix for CVE-2026-94111 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-94111 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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