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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
References 5
https://github.com/openclaw/openclaw-windows-node/blob/v0.6.12/src/OpenClaw.Sha…
disclosure@vulncheck.com
https://github.com/openclaw/openclaw-windows-node/commit/261ba11aaad671834ad141…
disclosure@vulncheck.com
https://github.com/openclaw/openclaw-windows-node/releases/tag/v2026.7.1
disclosure@vulncheck.com
https://github.com/openclaw/openclaw-windows-node/security/advisories/GHSA-39cf…
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/openclaw-windows-node-before-2026.7.1-remo…
disclosure@vulncheck.com