SSRF in Openclaw
CVE-2026-42430
OpenClaw before 2026.4.8 contains a server-side request forgery vulnerability in Playwright redirect handling that allows attackers to bypass strict SSRF checks. Attackers can exploit request-time navigation to reach private targets that should be restricted by browser SSRF protections.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (21.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Openclaw — versions 0, 2026.4.8
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-w8g9-x8gx-crmm (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-strict-browser-ssrf-bypass-via-playwright… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-42430?
- CVE-2026-42430 is a medium-severity vulnerability in Openclaw, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2026-04-28.
- How severe is CVE-2026-42430?
- Medium severity. CVSS v3 base score is 6.5 out of 10.