EUVD-2026-21122

| CVE-2026-35633 MEDIUM
2026-04-09 VulnCheck GHSA-4qwc-c7g9-4xcw GHSA-hm63-vwj4-mj2q
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
EUVD ID Assigned
Apr 09, 2026 - 21:45 euvd
EUVD-2026-21122
Analysis Generated
Apr 09, 2026 - 21:45 vuln.today
Patch Released
Apr 09, 2026 - 21:45 nvd
Patch available
CVE Published
Apr 09, 2026 - 21:27 nvd
MEDIUM 6.9

Tags

Information Disclosure Openclaw

Description

OpenClaw before 2026.3.22 contains an unbounded memory allocation vulnerability in remote media HTTP error handling that allows attackers to trigger excessive memory consumption. Attackers can send crafted HTTP error responses with large bodies to remote media endpoints, causing the application to allocate unbounded memory before failure handling occurs.

Analysis

OpenClaw before version 2026.3.22 allows remote attackers to trigger denial of service through unbounded memory allocation in HTTP error handling for remote media endpoints. By sending specially crafted HTTP error responses with large bodies, unauthenticated attackers can exhaust application memory, causing availability degradation. …

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Priority Score

34
Low Medium High Critical
KEV: 0
EPSS: +0.2
CVSS: +34
POC: 0

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EUVD-2026-21122 vulnerability details – vuln.today
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