#VU125219 Insufficient verification of data authenticity in OpenClaw
Published: April 8, 2026
Vulnerability identifier: #VU125219
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-345
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
OpenClaw
OpenClaw
Software vendor:
OpenClaw
OpenClaw
Description
The vulnerability allows a remote attacker to trigger duplicate voice-call processing.
The vulnerability exists due to improper canonicalization in extensions/voice-call/src/webhook-security.ts when verifying and replay-checking Plivo V3 webhooks. A remote attacker can reorder query parameters in a captured valid signed webhook URL to trigger duplicate voice-call processing.
Exploitation requires capture of one valid signed Plivo V3 webhook.
Remediation
Install security update from vendor's website.