CVE-2026-41403 OpenClaw < 2026.3.31 - Access Control Bypass via Proxied Remote Request Misclassification

Medium 6.3 Published Updated

Attackers can bypass access controls in OpenClaw's diffs viewer by sending proxied requests misclassified as local, requiring allowRemoteViewer to be disabled.

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

What is CVE-2026-41403?

CVE-2026-41403 is a medium-severity authentication bypass vulnerability in Openclaw Openclaw, published on 28 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OpenClaw before 2026.3.31 misclassifies proxied remote requests as loopback connections in the diffs viewer when allowRemoteViewer is disabled, allowing unauthorized access. Attackers can bypass access controls by sending proxied requests that are incorrectly identified as local loopback traffic, circumventing intended remote viewer restrictions.

Weakness: CWE-807

Which versions are affected by CVE-2026-41403?

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

PackageAffectedFixed in
openclaw npmAll versions2026.3.31
openclaw npmAll versions2026.3.31

Products include Openclaw Openclaw.

How do I fix CVE-2026-41403?

Upgrade openclaw to 2026.3.31 or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-41403 being exploited?

There is no known exploitation of CVE-2026-41403 in the wild and no public exploit code.

All Openclaw Openclaw vulnerabilities

Sources

Also known as GHSA-3xv9-89fm-7h4r, MINI-8j3m-p6qv-jpx8.

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