What is CVE-2026-43576?

CVE-2026-43576 is a high-severity vulnerability in Openclaw, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 7.7/10. Published 2026-05-06.

How severe is CVE-2026-43576?

High severity. CVSS v3 base score is 7.7 out of 10.

Open Redirect in Openclaw

CVE-2026-43576

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 proper…

Vulnerability class: Open Redirect

EPSS: 0.000 (10.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

Openclaw — versions 0, 2026.4.5

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2026-43576?: CVE-2026-43576 is a high-severity vulnerability in Openclaw, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 7.7/10. Published 2026-05-06.
How severe is CVE-2026-43576?: High severity. CVSS v3 base score is 7.7 out of 10.