CVE-2026-28395 OpenClaw 2026.1.14-1 < 2026.2.12 - Unintended Public Binding of Chrome Extension Relay via Wildcard cdpUrl

Medium 6.3 Published Updated

Remote attackers can access relay endpoints and leak information or cause denial of service due to improper network binding in the OpenClaw Chrome extension.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-28395?

CVE-2026-28395 is a medium-severity vulnerability in Openclaw Openclaw, published on 5 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OpenClaw version 2026.1.14-1 prior to 2026.2.12 contains 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.

Weakness: CWE-1327

Which versions are affected by CVE-2026-28395?

2 open source packages ship an affected version, including openclaw. It affects 1 product.

PackageAffectedFixed in
openclaw npmFrom 2026.1.14-12026.2.12
openclaw npmFrom 2026.1.14-12026.2.12

Products include Openclaw Openclaw.

How do I fix CVE-2026-28395?

Upgrade openclaw to 2026.2.12 or later.

Is CVE-2026-28395 being exploited?

There is no known exploitation of CVE-2026-28395 in the wild and no public exploit code.

All Openclaw Openclaw vulnerabilities

Sources

Also known as GHSA-qw99-grcx-4pvm.

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