CVE-2026-41362 OpenClaw 2026.2.19 through 2026.3.30 - Webhook Replay Dedupe Cache Event Suppression via Shared Authentication

Low 2.3 Published 27 Apr 2026 Updated 26 May 2026

Attackers can suppress legitimate webhook events on other accounts by exploiting shared cache isolation in multi-account deployments.

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-2026-41362?

CVE-2026-41362 is a low-severity vulnerability in Openclaw Openclaw, published on 27 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

OpenClaw versions 2026.2.19 before 2026.3.31 contain an improper cache isolation vulnerability in the Zalo webhook replay-dedupe mechanism that is shared across authenticated webhook targets. Attackers controlling one authenticated Zalo webhook path in multi-account deployments can suppress legitimate events on different accounts by matching event_name and message_id parameters.

Weakness: CWE-668

Which versions are affected by CVE-2026-41362?

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

Package	Affected	Fixed in
`openclaw` npm	From `2026.2.19`	`2026.3.31`
`openclaw` npm	From `2026.2.19`	`2026.3.31`

Products include Openclaw Openclaw.

How do I fix CVE-2026-41362?

Upgrade openclaw to 2026.3.31 or later.

Is CVE-2026-41362 being exploited?

There is no known exploitation of CVE-2026-41362 in the wild and no public exploit code.

All Openclaw Openclaw vulnerabilities

Sources

Also known as GHSA-6h5h-cp2c-8254, GHSA-fqrj-m88p-qf3v, MINI-5xqq-g73f-9qj6, MINI-74ff-626q-gqxf.