Insufficient Verification of Data Authenticity Affecting openclaw package, versions <2026.4.2
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Test your applications- Snyk IDSNYK-JS-OPENCLAW-15893691
- published4 Apr 2026
- disclosed4 Apr 2026
- creditBG0ECV
Introduced: 4 Apr 2026
NewCVE-2026-34511 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade openclaw to version 2026.4.2 or higher.
Overview
openclaw is a 🦞 OpenClaw — Personal AI Assistant
Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity via the OAuth flow, where the PKCE verifier is reused as the OAuth state value and reflected back in the redirect URL. An attacker can obtain sensitive authentication credentials by capturing the redirect URL during the authorization process.