---
id: CVE-2026-62203
title: >-
  OpenClaw versions before 2026.6.6 contain an environment variable filtering
  vulnerability in host exec that fails to properly sanitize rustup startup
  variables
summary: >-
  OpenClaw versions before 2026.6.6 contain an environment variable filtering
  vulnerability in host exec that fails to properly sanitize rustup startup
  variables. Attackers with lower-trust caller access or configured input paths
  can execu…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-184
published: '2026-07-17'
updated: '2026-07-18'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-62203'
references:
  - url: >-
      https://github.com/openclaw/openclaw/security/advisories/GHSA-wxh3-g47h-q3mc
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/openclaw-environment-variable-injection-via-rustup
    label: disclosure@vulncheck.com
tags:
  - nvd
epss: 0.00525
epssPercentile: 0.421
ingestedAt: '2026-07-18T21:25:07.672Z'
---

## Overview

OpenClaw versions before 2026.6.6 contain an environment variable filtering vulnerability in host exec that fails to properly sanitize rustup startup variables. Attackers with lower-trust caller access or configured input paths can execute or persist actions beyond their intended authorization level.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.