CVE-2026-101884 (CVSS 7.5)

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.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0047

Probability of exploitation

0.40%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-184 CWE-184

References

Other 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

Frequently Asked Questions

What is CVE-2026-101884? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-101884? +

CVE-2026-101884 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0047, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-101884? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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