User Impersonation Affecting @openclaw/zalo 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-OPENCLAWZALO-17393855
- published22 Jun 2026
- disclosed18 Jun 2026
- creditPhilipPhil
Introduced: 18 Jun 2026
NewCVE-2026-53857 (opens in a new tab)How to fix?
Upgrade @openclaw/zalo to version 2026.5.3 or higher.
Overview
@openclaw/zalo is an OpenClaw Zalo channel plugin
Affected versions of this package are vulnerable to User Impersonation via the allowFrom process. An attacker can access agent responses intended for another identity by leveraging mutable display metadata to match policy entries.