CVE-2026-53864

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

State: Published
Severity: 7.6 High
Published: Jun 16, 2026
Updated: Jun 18, 2026
Reserved: Jun 10, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	7.6 High	CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N	VulnCheck
3.1	8.1 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N	VulnCheck

Weaknesses

CWE-184 Incomplete List of Disallowed Inputs

Affected Products

Product	Versions
OpenClawOpenClaw	before 2026.5.26Affected 2026.5.26Not affected

References

GitHub Security Advisory (GHSA-ccwh-wwpp-6wg5)vendor-advisory
VulnCheck Advisory: OpenClaw < 2026.5.26 - Insufficient Environment Variable Sanitization in Node.js Control Variablesthird-party-advisory

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