CVE-2026-28458

HIGH
2026-03-05 [email protected] GHSA-mr32-vwc2-5j6h
8.1
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 22:06 vuln.today
Patch Released
Mar 09, 2026 - 17:28 nvd
Patch available
CVE Published
Mar 05, 2026 - 22:16 nvd
HIGH 8.1

Tags

Authentication Bypass Information Disclosure Openclaw

Description

OpenClaw version 2026.1.20 prior to 2026.2.1 contains a vulnerability in the Browser Relay (extension must be installed and enabled) /cdp WebSocket endpoint in which it does not require authentication tokens, allowing websites to connect via loopback and access sensitive data. Attackers can exploit this by connecting to ws://127.0.0.1:18792/cdp to steal session cookies and execute JavaScript in other browser tabs.

Analysis

Openclaw versions up to 2026.2.1 is affected by missing authentication for critical function (CVSS 8.1).

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Remediation

Within 24 hours: Identify all systems running Openclaw versions up to 2026.2.1 and assess exposure. Within 7 days: Apply the available vendor patch to all affected instances in a staged approach, prioritizing production environments. …

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Priority Score

41
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +40
POC: 0

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CVE-2026-28458 vulnerability details – vuln.today
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