High severity · published Sep 30, 2026
CVE-2026-101884
OpenClaw Windows Node before 2026.7.1 Remote Code Execution via Environment Override
7.5
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OW
OpenClaw Windows Node · OpenClaw
before 2026.7.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-101884
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-101884
vendor-advisory
https://github.com/openclaw/openclaw-windows-node/security/advisories/GHSA-39cf-qcfw-g8pg
patch
https://github.com/openclaw/openclaw-windows-node/commit/261ba11aaad671834ad141bb85101b50cf1a38f6
release-notes
https://github.com/openclaw/openclaw-windows-node/releases/tag/v2026.7.1
technical-description
https://github.com/openclaw/openclaw-windows-node/blob/v0.6.12/src/OpenClaw.Shared/ExecEnvSanitizer.cs#L15-L50
third-party-advisory
https://www.vulncheck.com/advisories/openclaw-windows-node-before-2026.7.1-remote-code-execution-via-environment-override
More from OpenClaw Windows Node
8.8
CVE-2026-101882
OpenClaw Windows Node before 2026.7.1 Remote Code Execution via system.execApprovals.set
8.8
CVE-2026-101880
OpenClaw Windows Node before 2026.7.1 Authorization Bypass
6.5
CVE-2026-101881
OpenClaw Windows Node before 2026.7.1 Denial of Service
6.5
CVE-2026-101879
OpenClaw Windows Node before 2026.7.1-3 Missing Authorization
5.4
CVE-2026-101883
OpenClaw Windows Node through 2026.9.4 SSRF via canvas.present