Vulnerability · Published Sep 30, 2026 · Assigned by VulnCheck

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

High 7.5

In plain English

A high-severity security flaw in OpenClaw Windows Node from OpenClaw. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.5%top 59.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
OpenClaw	OpenClaw Windows Node	0 – before 2026.7.1

Weakness: CWE-184 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References

GitHub Security Advisory (GHSA-39cf-qcfw-g8pg) vendor-advisory
https://github.com/openclaw/openclaw-windows-node/commit/261ba11aaad671834ad141bb85101b50cf1a38f6 patch
OpenClaw Windows Node v2026.7.1 Release Notes release-notes
https://github.com/openclaw/openclaw-windows-node/blob/v0.6.12/src/OpenClaw.Shared/ExecEnvSanitizer.cs#L15-L50 technical-description
VulnCheck Advisory: OpenClaw Windows Node before 2026.7.1 Remote Code Execution via Environment Override third-party-advisory