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 properly validated, enabling attackers to redirect connections to arbitrary hosts and perform SSRF-style attacks.
Vulnerability class: Open Redirect
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (35.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.002
Affected products
- Openclaw — versions 0, 2026.4.5
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/commit/bc356cc8c2beaa747c71dd86cceab8f804699665 (Patch, patch)
- github.com/openclaw/openclaw/security/advisories/GHSA-f7fh-qg34-x2xh (vendor-advisory, Mitigation, Vendor Advisory)
- www.vulncheck.com/advisories/openclaw-second-hop-ssrf-via-cdp-json-version-webs… (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.