Description
OpenClaw versions 2026.2.19 before 2026.3.31 contain an improper cache isolation vulnerability in the Zalo webhook replay-dedupe mechanism that is shared across authenticated webhook targets. Attackers controlling one authenticated Zalo webhook path in multi-account deployments can suppress legitimate events on different accounts by matching event_name and message_id parameters.
Published: 2026-04-27
Score: 2.3 Low
EPSS: < 1% Very Low
KEV: No
Impact: Denial of Service
Action: Apply patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 28 Apr 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Mon, 27 Apr 2026 23:45:00 +0000

Type Values Removed Values Added
Description OpenClaw versions 2026.2.19 before 2026.3.31 contain an improper cache isolation vulnerability in the Zalo webhook replay-dedupe mechanism that is shared across authenticated webhook targets. Attackers controlling one authenticated Zalo webhook path in multi-account deployments can suppress legitimate events on different accounts by matching event_name and message_id parameters.
Title OpenClaw 2026.2.19 < 2026.3.31 - Webhook Replay Dedupe Cache Event Suppression via Shared Authentication
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-668
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

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


Subscriptions

Openclaw Openclaw
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-28T12:44:00.924Z

Reserved: 2026-04-20T14:09:02.629Z

Link: CVE-2026-41362

cve-icon Vulnrichment

Updated: 2026-04-28T12:43:56.625Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-28T00:16:25.087

Modified: 2026-04-28T18:46:41.267

Link: CVE-2026-41362

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-28T13:00:15Z

Weaknesses