CVE-2026-62203: OpenClaw < 2026.6.6 Environment Variable Injection via rustup

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-17 · updated 2026-10-23
Weakness: CWE-184

Description

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.

Affected products

OpenClaw: before 2026.6.6 — fixed in 2026.6.6

How to fix

Upgrade to a fixed version: OpenClaw 2026.6.6. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-wxh3-g47h-q3mc
https://www.vulncheck.com/advisories/openclaw-environment-variable-injection-via-rustup

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