Replay Attack Affecting openclaw package, versions <2026.3.28-beta.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-OPENCLAW-15865845
- published1 Apr 2026
- disclosed31 Mar 2026
- creditzsxsoft
Introduced: 31 Mar 2026
CVE-2026-41395 (opens in a new tab)How to fix?
Upgrade openclaw to version 2026.3.28-beta.1 or higher.
Overview
openclaw is a 🦞 OpenClaw — Personal AI Assistant
Affected versions of this package are vulnerable to Replay Attack in the webhook-security.ts process. An attacker can bypass replay protection by capturing a valid signed webhook and resending it with reordered query parameters, thereby triggering duplicate processing of voice-call events.