CVE-2026-28468
Received Received - Intake

Unauthorized Access in OpenClaw Sandbox Browser Bridge Server

Publication date: 2026-03-05

Last updated on: 2026-03-11

Assigner: VulnCheck

Description
OpenClaw versions 2026.1.29-beta.1 prior to 2026.2.14 contain a vulnerability in the sandbox browser bridge server in which it accepts requests without requiring gateway authentication, allowing local attackers to access browser control endpoints. A local attacker can enumerate tabs, retrieve WebSocket URLs, execute JavaScript, and exfiltrate cookies and session data from authenticated browser contexts.

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Meta Information

Published
2026-03-05
Last Modified
2026-03-11
Generated
2026-07-27
AI Q&A
2026-03-06
EPSS Evaluated
2026-07-25
NVD
CVE-2026-28468
EUVD
EUVD-2026-9914

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
openclaw openclaw From 2026.1.29 (inc) to 2026.2.14 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-306 The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

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Executive Summary

This vulnerability exists in OpenClaw versions 2026.1.29-beta.1 prior to 2026.2.14, specifically in the sandbox browser bridge server. The server accepts requests without requiring gateway authentication, which allows local attackers to access browser control endpoints.

A local attacker exploiting this vulnerability can enumerate browser tabs, retrieve WebSocket URLs, execute JavaScript code, and exfiltrate cookies and session data from authenticated browser contexts.

Detection Guidance

I don't know

Impact Analysis

This vulnerability can have significant impacts including unauthorized access to browser control features by local attackers.

  • Attackers can enumerate open browser tabs.
  • Attackers can retrieve WebSocket URLs used by the browser.
  • Attackers can execute arbitrary JavaScript code within the browser context.
  • Attackers can exfiltrate cookies and session data from authenticated browser sessions, potentially leading to session hijacking or data theft.
Compliance Impact

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Mitigation Strategies

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