CVE-2026-43576

OpenClaw < 2026.4.5 - Second-hop SSRF via CDP /json/version WebSocket URL

Published May 6, 2026 CVSS 4.0 · 4.9 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-f7fh-qg34-x2xh OpenClaw: CDP /json/version WebSocket URL could pivot to untrusted second-hop targets
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title OpenClaw < 2026.4.5 - Second-hop SSRF via CDP /json/version WebSocket URL
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-601
CWE-918
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N'}

cvssV4_0

{'score': 4.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
May 7, 2026, 12:30 PM
Reserved
May 1, 2026, 5:00 PM
Status
Analyzed
Published
May 6, 2026, 8:16 PM
Modified
Nov 11, 2026, 11:10 PM