OpenClaw Windows Node before 2026.7.1 Remote Code Execution via Environment Override

Description

OpenClaw Windows Node before 2026.7.1 contains an incomplete environment-variable sanitizer in system.run that fails to block GIT_CONFIG_*, DOTNET_STARTUP_HOOKS, and JAVA_TOOL_OPTIONS variables. Attackers with gateway or agent access can supply these variables to allowlisted tools like git, dotnet, or java to load attacker-controlled code and achieve arbitrary code execution.

References

• https://github.com/openclaw/openclaw-windows-node/security/advisories/GHSA-39cf-qcfw-g8pg(vendor-advisory)
• https://github.com/openclaw/openclaw-windows-node/commit/261ba11aaad671834ad141bb85101b50cf1a38f6(patch)
• https://github.com/openclaw/openclaw-windows-node/releases/tag/v2026.7.1(release-notes)
• https://github.com/openclaw/openclaw-windows-node/blob/v0.6.12/src/OpenClaw.Shared/ExecEnvSanitizer.cs#L15-L50(technical-description)
• https://www.vulncheck.com/advisories/openclaw-windows-node-before-2026.7.1-remote-code-execution-via-environment-override(third-party-advisory)

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