Vulnerability · Published May 6, 2026 · Assigned by VulnCheck

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

High 7.7

In plain English

A high-severity open redirect in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.7High

Exploit odds (30 days)0.3%top 81.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	openclaw	2026.4.5	GHSA-f7fh-qg34-x2xh

Affected products (as reported)

Vendor	Product	Versions
OpenClaw	OpenClaw	0 – before 2026.4.5

Weakness: CWE-601, CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

References

GitHub Security Advisory (GHSA-f7fh-qg34-x2xh) vendor-advisory
Patch Commit patch
VulnCheck Advisory: OpenClaw < 2026.4.5 - Second-hop SSRF via CDP /json/version WebSocket URL third-party-advisory