CVE-2026-42430: OpenClaw < 2026.4.8 - Strict Browser SSRF Bypass via Playwright Redirect Handling

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-28 · updated 2026-06-17
Weakness: CWE-918

Description

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.

Affected products

OpenClaw: before 2026.4.8 — fixed in 2026.4.8

How to fix

Upgrade to a fixed version: OpenClaw 2026.4.8. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5
https://github.com/openclaw/openclaw/security/advisories/GHSA-w8g9-x8gx-crmm
https://www.vulncheck.com/advisories/openclaw-strict-browser-ssrf-bypass-via-playwright-redirect-handling

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