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Vulnerabilities CVE-2026-41395

CVE-2026-41395

High
Open
TLP:CLEAR
NVD CVE.org

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Description

OpenClaw before 2026.3.28 contains a webhook replay vulnerability in Plivo V3 signature verification that canonicalizes query ordering for signatures but hashes raw URLs for replay detection. Attackers can reorder query parameters to bypass replay cache detection and trigger duplicate voice-call processing with a captured valid signed webhook.

Details

CVSS Score
7.5
EPSS Score ⓘ
0.15%

4.6th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Confidence
90%
Published
Apr 28, 2026
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