User Impersonation Affecting openclaw package, versions <2026.5.3
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-17339817
- published15 Jun 2026
- disclosed12 Jun 2026
- creditPhilipPhil
Introduced: 12 Jun 2026
NewCVE-2026-53823 (opens in a new tab)How to fix?
Upgrade openclaw to version 2026.5.3 or higher.
Overview
openclaw is a 🦞 OpenClaw — Personal AI Assistant
Affected versions of this package are vulnerable to User Impersonation in the allowFrom feature that relies on mutable Slack display names. An attacker can gain unauthorized access to agent privileges by modifying their Slack display name to match entries in the access policy.