EUVD-2026-21110

| CVE-2026-35626 MEDIUM
2026-04-09 VulnCheck GHSA-36cp-mh65-x882
6.9
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

4
Analysis Generated
Apr 09, 2026 - 21:45 vuln.today
EUVD ID Assigned
Apr 09, 2026 - 21:45 euvd
EUVD-2026-21110
Patch Released
Apr 09, 2026 - 21:45 nvd
Patch available
CVE Published
Apr 09, 2026 - 21:26 nvd
MEDIUM 6.9

Tags

Denial Of Service Openclaw

Description

OpenClaw before 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handling that buffers request bodies before provider signature checks. Attackers can send large or malicious webhook requests to exhaust server resources without authentication by bypassing signature validation.

Analysis

Unauthenticated resource exhaustion in OpenClaw before 2026.3.22 allows remote attackers to cause denial of service by sending large or malicious webhook requests to the voice call handler, which buffers request bodies before validating provider signatures. The vulnerability requires only network access (AV:N, PR:N) and can be exploited with low complexity, making it a practical attack vector for disrupting service availability.

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Priority Score

34
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +34
POC: 0

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EUVD-2026-21110 vulnerability details – vuln.today
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