CVE-2026-41402

Medium

Description

OpenClaw before 2026.3.31 contains a scope bypass vulnerability in webhook replay cache deduplication that allows authenticated attackers to replay messages across sibling targets using the same messageId. Attackers can exploit overly broad cache keying to bypass replay protection and deliver duplicate webhook messages to unintended targets.

SeverityMedium

CVSS4.2

Exploit probability—

ProductOpenclaw

PublishedApr 28, 2026

First seenApr 28, 2026

Weakness typeCWE-706CWE-706

How to fix

Update

openclaw openclaw2026.3.31 or later
openclaw2026.3.31 or later

Patches

github.com/openclaw/openclaw/commit/4d038bb242c11f39e45f6a4bde400e5fd42e4ebf

Vendor advisories

github.com/openclaw/openclaw/security/advisories/GHSA-hhq4-97c2-p447

Affected products

Product	Affected versions	Fixed in
openclaw openclaw	v < 2026.3.31	2026.3.31
openclawnpm	v < 2026.3.31	2026.3.31

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