CVE-2026-53864

HIGH 8.1

OpenClaw < 2026.5.26 - Insufficient Environment Variable Sanitization in Node.js Control Variables

CVSS Score

8.1

EPSS Score

0.0%

EPSS Percentile

0th

OpenClaw before 2026.5.26 contains an insufficient sanitization vulnerability in the host environment sanitizer that allows Node.js control variables to bypass validation. Attackers with access to workspace .env files, tool environment overrides, or skill environment blocks can pass malicious Node.js control variables to influence child processes or coverage output paths.

CWE	CWE-184
Vendor	openclaw
Product	openclaw
Published	Jun 16, 2026
Last Updated	Jun 16, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

OpenClaw / OpenClaw

0 < 2026.5.26

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-ccwh-wwpp-6wg5 vulncheck.com: https://www.vulncheck.com/advisories/openclaw-insufficient-environment-variable-sanitization-in-node-js-control-variables

Credits

🔍 Chinmohan Nayak (@nayakchinmohan)