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CVE-2026-43576— OpenClaw < 2026.4.5 - Second-hop SSRF via CDP /json/version WebSocket URL

Quick assessment

Affected
OpenClaw OpenClaw
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenClaw是OpenClaw开源的一个智能人工助理。 OpenClaw 2026.4.5之前版本存在输入验证错误漏洞，该漏洞源于CDP /json/version WebSocket端点存在服务端请求伪造，可能允许攻击者重定向连接到任意主机。

CVSS 7.7 · High EPSS 0.44% · P36

Affected Version Matrix 2

VendorProduct Version RangeStatus
OpenClaw OpenClaw < 2026.4.5 affected
2026.4.5 unaffected
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I. Basic Information for CVE-2026-43576

Vulnerability Information
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Vulnerability Title
OpenClaw < 2026.4.5 - Second-hop SSRF via CDP /json/version WebSocket URL
Source: CVE Program / CVE List V5
Vulnerability Description
OpenClaw before 2026.4.5 contains a server-side request forgery vulnerability in the CDP /json/version WebSocket endpoint that allows attackers to pivot to untrusted second-hop targets. The webSocketDebuggerUrl response field is not properly validated, enabling attackers to redirect connections to arbitrary hosts and perform SSRF-style attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Vulnerability Title
OpenClaw 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenClaw是OpenClaw开源的一个智能人工助理。 OpenClaw 2026.4.5之前版本存在输入验证错误漏洞，该漏洞源于CDP /json/version WebSocket端点存在服务端请求伪造，可能允许攻击者重定向连接到任意主机。
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

Vendor Product Affected Versions CPE Subscribe
OpenClaw OpenClaw 0 ~ 2026.4.5 -

II. Public POCs for CVE-2026-43576

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III. Intelligence Information for CVE-2026-43576

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Patches & Fixes for CVE-2026-43576 (1)

Vendor Advisories for CVE-2026-43576 (2)

Same Patch Batch · OpenClaw · 2026-05-06 · 21 CVEs total

CVE-2026-43575 9.8 CRITICAL OpenClaw 2026.2.21 < 2026.4.10 - Authentication Bypass in Sandbox noVNC Helper Route
CVE-2026-44109 9.8 CRITICAL OpenClaw < 2026.4.15 - Authentication Bypass in Feishu Webhook and Card-Action Validation
CVE-2026-43581 9.6 CRITICAL OpenClaw < 2026.4.10 - Chrome DevTools Protocol Exposure via Overly Broad CDP Relay Bindin
CVE-2026-44112 9.6 CRITICAL OpenClaw < 2026.4.22 - Symlink Swap Race Condition in OpenShell FS Bridge Writes
CVE-2026-43578 9.1 CRITICAL OpenClaw 2026.3.31 < 2026.4.10 - Privilege Escalation via Missed Async Exec Completion Eve
CVE-2026-44115 8.8 HIGH OpenClaw < 2026.4.22 - Shell Expansion Bypass in Unquoted Heredocs via Exec Allowlist
CVE-2026-43584 8.8 HIGH OpenClaw < 2026.4.10 - Insufficient Environment Variable Denylist in Exec Policy
CVE-2026-44110 8.8 HIGH OpenClaw < 2026.4.15 - Authorization Bypass in Matrix Room Control Commands via DM Pairin
CVE-2026-44116 8.6 HIGH OpenClaw < 2026.4.22 - Server-Side Request Forgery in Zalo Photo URL Validation
CVE-2026-43585 8.1 HIGH OpenClaw < 2026.4.15 - Bearer Token Validation Bypass via Stale SecretRef Resolution
CVE-2026-44118 7.8 HIGH OpenClaw < 2026.4.22 - Owner Context Spoofing via Bearer Token Header
CVE-2026-44114 7.8 HIGH OpenClaw < 2026.4.20 - Environment Variable Namespace Collision via Workspace dotenv
CVE-2026-44113 7.7 HIGH OpenClaw < 2026.4.22 - Time-of-Check/Time-of-Use Race Condition in OpenShell FS Bridge
CVE-2026-43580 7.7 HIGH OpenClaw < 2026.4.10 - Incomplete Navigation Guard Coverage in Browser Interactions
CVE-2026-43579 6.5 MEDIUM OpenClaw < 2026.4.10 - Insufficient Access Control in Nostr Profile Mutation Routes
CVE-2026-43577 6.5 MEDIUM OpenClaw < 2026.4.9 - Arbitrary File Read via Browser Interaction Routes
CVE-2026-43582 6.3 MEDIUM OpenClaw < 2026.4.10 - DNS Rebinding SSRF via Hostname Validation Bypass
CVE-2026-44117 5.8 MEDIUM OpenClaw < 2026.4.20 - Server-Side Request Forgery in QQBot Direct Media Upload
CVE-2026-43583 5.3 MEDIUM OpenClaw 2026.4.10 < 2026.4.14 - Loss of Group Tool-Policy Context in Delivery Queue Recov
CVE-2026-44111 4.3 MEDIUM OpenClaw < 2026.4.15 - Arbitrary Markdown File Read via QMD memory_get

IV. Related Vulnerabilities

Same product: OpenClaw
Same vendor: OpenClaw
Same weakness: CWE-601

V. Comments for CVE-2026-43576

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