Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openclaw | Openclaw | < 2026.5.26 |
Related Weaknesses (CWE)
References
- https://github.com/openclaw/openclaw/security/advisories/GHSA-ccwh-wwpp-6wg5MitigationVendor Advisory
- https://www.vulncheck.com/advisories/openclaw-insufficient-environment-variable-Third Party Advisory
FAQ
What is CVE-2026-53864?
CVE-2026-53864 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 wor...
How severe is CVE-2026-53864?
CVE-2026-53864 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-53864?
Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.