Vulnerability · Published Apr 23, 2026 · Assigned by VulnCheck

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

Low 3.7

In plain English

A low-severity security flaw in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.7Low

Exploit odds (30 days)0.3%top 79.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	openclaw	2026.4.2	GHSA-rxmx-g7hr-8mx4

Affected products (as reported)

Vendor	Product	Versions
OpenClaw	OpenClaw	0 – before 2026.4.2

Weakness: CWE-706 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

References

GitHub Security Advisory (GHSA-rxmx-g7hr-8mx4) vendor-advisory
Patch Commit patch
VulnCheck Advisory: OpenClaw < 2026.4.2 - Insufficient Scope in Zalo Webhook Replay Dedupe Keys third-party-advisory