6.3
MEDIUM CVSS 4.0
CVE-2026-41354
OpenClaw < 2026.4.2 - Insufficient Scope in Zalo Webhook Replay Dedupe Keys
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.

INFO

Published Date :

April 23, 2026, 10:16 p.m.

Last Modified :

April 23, 2026, 10:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-41354 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 LOW 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 LOW [email protected]
CVSS 4.0 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 MEDIUM [email protected]
Solution
Update OpenClaw to version 2026.4.2 or later to fix webhook deduplication issues.
  • Update OpenClaw to version 2026.4.2 or later.
  • Verify webhook replay dedupe key scoping.
  • Test bot workflows for message suppression.
  • Monitor for disruptions in chat sessions.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-41354 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-41354 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-41354 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Apr. 23, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
    Added CWE CWE-706
    Added Reference https://github.com/openclaw/openclaw/commit/ef7c553dd16ee579f1d1a363f5881a99726c1412
    Added Reference https://github.com/openclaw/openclaw/security/advisories/GHSA-rxmx-g7hr-8mx4
    Added Reference https://www.vulncheck.com/advisories/openclaw-insufficient-scope-in-zalo-webhook-replay-dedupe-keys
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.