CVE-2026-41408 OpenClaw < 2026.3.31 - Disk Exhaustion via Media Download Bypass

Low 2.3 Published Updated

Attackers can exhaust disk space by bypassing media download safety limits, causing service unavailability in OpenClaw.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-41408?

CVE-2026-41408 is a low-severity denial of service vulnerability in Openclaw Openclaw, published on 28 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

OpenClaw before 2026.3.31 contains a resource exhaustion vulnerability in media downloads that bypasses core safety limits for file size, count, and cleanup operations. Attackers can exhaust disk space by downloading media files without triggering intended safety restrictions, causing availability impact.

Weakness: CWE-770

Which versions are affected by CVE-2026-41408?

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-2026-41408?

Upgrade openclaw to 2026.3.31 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-41408 being exploited?

There is no known exploitation of CVE-2026-41408 in the wild and no public exploit code.

All Openclaw Openclaw vulnerabilities

Sources

Also known as GHSA-4g5x-2jfc-xm98, MINI-7m3m-mpp8-7fcc.

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