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.

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Tue, 28 Apr 2026 19:15:00 +0000

Type Values Removed Values Added
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.
Title OpenClaw < 2026.3.31 - Webhook Replay Cache Cross-Target messageId Scope Bypass
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-706
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 2.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-28T18:09:59.445Z

Reserved: 2026-04-20T14:15:22.223Z

Link: CVE-2026-41402

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-04-28T19:37:43.690

Modified: 2026-04-28T20:10:23.367

Link: CVE-2026-41402

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses