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CVE-2026-42437— OpenClaw 2026.4.9 < 2026.4.10 - Denial of Service via Oversized WebSocket Frames in Voice-call Realtime Path

CVSS 7.5 · High EPSS 0.09% · P26
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I. Basic Information for CVE-2026-42437

Vulnerability Information
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Vulnerability Title
OpenClaw 2026.4.9 < 2026.4.10 - Denial of Service via Oversized WebSocket Frames in Voice-call Realtime Path
Source: NVD (National Vulnerability Database)
Vulnerability Description
OpenClaw versions 2026.4.9 before 2026.4.10 contain a denial of service vulnerability in the voice-call realtime WebSocket path that accepts oversized frames without proper validation. Remote attackers can send oversized WebSocket frames to cause service unavailability for deployments exposing the webhook path.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不加限制或调节的资源分配
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenClaw 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenClaw是OpenClaw开源的一个智能人工助理。 OpenClaw 2026.4.9版本至2026.4.10之前版本存在安全漏洞，该漏洞源于语音通话实时WebSocket路径中的拒绝服务，可能导致远程攻击者发送超大WebSocket帧导致服务不可用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
OpenClawOpenClaw 2026.4.9 ~ 2026.4.10 -

II. Public POCs for CVE-2026-42437

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III. Intelligence Information for CVE-2026-42437

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Same Patch Batch · OpenClaw · 2026-05-05 · 26 CVEs total

CVE-2026-435669.1 CRITICALOpenClaw 2026.4.7 < 2026.4.14 - Privilege Escalation via Untrusted Webhook Wake Events
CVE-2026-435349.1 CRITICALOpenClaw < 2026.4.10 - Unsanitized External Input in Agent Hook Events
CVE-2026-424348.8 HIGHOpenClaw 2026.4.5 < 2026.4.10 - Sandbox Escape via host Parameter Override in Exec Routing
CVE-2026-435718.8 HIGHOpenClaw < 2026.4.10 - Untrusted Workspace Plugin Shadow Resolution in Channel Setup
CVE-2026-424358.8 HIGHOpenClaw 2026.2.22 < 2026.4.12 - Shell-Wrapper Detection Bypass via Environment Variable A
CVE-2026-435698.8 HIGHOpenClaw < 2026.4.9 - Untrusted Provider Plugin Auto-enablement via Workspace Provider Aut
CVE-2026-435308.8 HIGHOpenClaw 2026.2.23 < 2026.4.12 - Weakened Exec Approval Binding via busybox and toybox App
CVE-2026-435338.6 HIGHOpenClaw < 2026.4.10 - Arbitrary Local File Read via QQBot Media Tags
CVE-2026-424398.5 HIGHOpenClaw < 2026.4.10 - SSRF Policy Bypass in Browser Tabs Action Routes
CVE-2026-435268.2 HIGHOpenClaw < 2026.4.12 - Server-Side Request Forgery via QQBot Reply Media URL Handling
CVE-2026-435737.7 HIGHOpenClaw < 2026.4.10 - SSRF Policy Bypass in Existing-Session Browser Interaction Routes
CVE-2026-424367.7 HIGHOpenClaw < 2026.4.14 - Internal Page Content Exposure via Browser Snapshot and Screenshot
CVE-2026-424387.7 HIGHOpenClaw 2026.4.9 < 2026.4.10 - Sender Policy Bypass in Host Media Attachment Reads
CVE-2026-435277.7 HIGHOpenClaw < 2026.4.14 - Server-Side Request Forgery via Private Network Navigation
CVE-2026-435327.7 HIGHOpenClaw 2026.4.7 < 2026.4.10 - Sandbox Media Normalization Bypass via Discord Event Cover
CVE-2026-435317.3 HIGHOpenClaw < 2026.4.9 - Environment Variable Injection via Workspace .env File
CVE-2026-435356.8 MEDIUMOpenClaw < 2026.4.14 - Authorization Context Reuse in Collect-Mode Queue Batches
CVE-2026-435286.5 MEDIUMOpenClaw < 2026.4.14 - Redaction Bypass via sourceConfig and runtimeConfig Aliases
CVE-2026-435676.5 MEDIUMOpenClaw < 2026.4.10 - Path Traversal in screen_record outPath Parameter
CVE-2026-435686.5 MEDIUMOpenClaw 2026.4.5 < 2026.4.10 - Privilege Escalation via Memory Dreaming Configuration in

Showing top 20 of 26 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: OpenClaw
Same vendor: OpenClaw
Same weakness: CWE-770

V. Comments for CVE-2026-42437

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