CVE-2026-41402

OpenClaw < 2026.3.31 - Webhook Replay Cache Cross-Target messageId Scope Bypass

Published Apr 28, 2026 CVSS 4.0 · 2.3 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-hhq4-97c2-p447 OpenClaw: Zalo webhook replay cache cross-target messageId scope bypass
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Apr 29, 2026, 1:17 PM
Reserved
Apr 20, 2026, 2:15 PM
Status
Analyzed
Published
Apr 28, 2026, 7:37 PM
Modified
Nov 11, 2026, 9:10 PM