CVE-2026-41362

MEDIUM

OpenClaw 2026.2.19 < 2026.3.31 - Webhook Replay Dedupe Cache Event Suppression via Shared Authentication

Title source: cna

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.

References (4)

[Third Party Advisory] https://www.vulncheck.com/advisories/openclaw-webhook-replay-dedupe-cache-event-suppression-via-shared-authentication

[Vendor Advisory] https://github.com/openclaw/openclaw/security/advisories/GHSA-fqrj-m88p-qf3v

[Patch] https://github.com/openclaw/openclaw/commit/4d038bb242c11f39e45f6a4bde400e5fd42e4ebf

View Patch ZIP pw:eip

[Patch] https://github.com/openclaw/openclaw/commit/7cea7c29705b188b464cc9cdc107c275b94b2a72

Scores

CVSS v3 4.3

EPSS 0.0004

EPSS Percentile 12.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-668

Status published

Products (3)

OpenClaw/OpenClaw 2026.2.19 - 2026.3.31

openclaw/openclaw 2026.2.19 - 2026.3.31

OpenClaw/OpenClaw 2026.3.31

Published Apr 28, 2026

Tracked Since Apr 28, 2026