CVE-2026-41395
OpenClaw < 2026.3.28 - Webhook Replay via Query Parameter Reordering in Plivo V3
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-325 |
| Vendor | openclaw |
| Product | openclaw |
| Published | Apr 28, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Affected Versions
OpenClaw / OpenClaw
0 < 2026.3.28
References
Credits
🔍 zsx (@zsxsoft) KeenSecurityLab