CVE-2026-43576

HIGH 7.7

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

CVSS Score

7.7

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-601 CWE-918
Vendor	openclaw
Product	openclaw
Published	May 6, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

OpenClaw / OpenClaw

0 < 2026.4.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-f7fh-qg34-x2xh github.com: https://github.com/openclaw/openclaw/commit/bc356cc8c2beaa747c71dd86cceab8f804699665 vulncheck.com: https://www.vulncheck.com/advisories/openclaw-second-hop-ssrf-via-cdp-json-version-websocket-url

Credits

🔍 Nicky (@nicky-cc)