CVE-2026-41354 OpenClaw < 2026.4.2 - Insufficient Scope in Zalo Webhook Replay Dedupe Keys

Medium 6.3 Published Updated

Attackers can cause silent message suppression in OpenClaw bots by exploiting weak deduplication keys, disrupting chat workflows.

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

What is CVE-2026-41354?

CVE-2026-41354 is a medium-severity vulnerability in Openclaw Openclaw, published on 23 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OpenClaw before 2026.4.2 contains an insufficient scope vulnerability in Zalo webhook replay dedupe keys that allows legitimate events from different conversations or senders to collide. Attackers can exploit weak deduplication scoping to cause silent message suppression and disrupt bot workflows across chat sessions.

Weakness: CWE-706

Which versions are affected by CVE-2026-41354?

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

PackageAffectedFixed in
openclaw npmAll versions2026.4.2
openclaw npmAll versions2026.4.2

Products include Openclaw Openclaw.

How do I fix CVE-2026-41354?

Upgrade openclaw to 2026.4.2 or later.

Is CVE-2026-41354 being exploited?

There is no known exploitation of CVE-2026-41354 in the wild and no public exploit code.

All Openclaw Openclaw vulnerabilities

Sources

Also known as GHSA-rxmx-g7hr-8mx4, MINI-r535-84rp-75xx, MINI-r9r9-r97h-x9f5.

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