What’s Vulnerable › Vulnerabilities

CVE-2026-101884: OpenClaw Windows Node before 2026.7.1 Remote Code Execution via Environment Override

• Severity: high (CVSS 7.5 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: 2026-09-30 · updated 2026-10-01
• Weakness: CWE-184

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.

Affected products

• OpenClaw Windows Node: before 2026.7.1 — fixed in 2026.7.1

How to fix

Upgrade to a fixed version: OpenClaw Windows Node 2026.7.1. Check the vendor advisory for mitigations.

References

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

Get alerted when CVE-2026-101884 or the next vulnerability affects your stack