CVE-2026-28395
MEDIUM
GHSA-qw99-grcx-4pvm
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Lifecycle Timeline
3Description
OpenClaw version 2026.1.14-1 prior to 2026.2.12 contain an improper network binding vulnerability in the Chrome extension (must be installed and enabled) relay server that treats wildcard hosts as loopback addresses, allowing the relay HTTP/WS server to bind to all interfaces when a wildcard cdpUrl is configured. Remote attackers can access relay HTTP endpoints off-host to leak service presence and port information, or conduct denial-of-service and brute-force attacks against the relay token header.
Analysis
OpenClaw Chrome extension relay server versions prior to 2026.2.12 improperly bind to all network interfaces when wildcard cdpUrl values are configured, enabling remote attackers to discover service endpoints and port information. An attacker can exploit this exposure to conduct denial-of-service attacks and brute-force attempts against the relay token authentication mechanism without requiring local access.
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.
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External POC / Exploit Code
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