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CVE-2026-31999

CRITICAL

CpenClaw's ACPX Windows wrapper shell fallback allowed cwd injection in specific paths

Published March 2, 2026Updated March 20, 2026Source: osv

Summary

### Summary On Windows ACPX paths, wrapper resolution for `.cmd`/`.bat` could fall back to shell execution in ways that allowed `cwd` influence to alter execution behavior. ### Impact In affected Windows ACPX configurations, this could enable command execution integrity loss through cwd-influenced wrapper resolution. ### Fix Wrapper resolution now prefers explicit PATH/PATHEXT entrypoint resolution and unwrapped Node/EXE execution, with strict fail-closed handling enabled by default for unresolvable wrapper cases. ### Affected and Patched Versions - Affected: `>= 2026.2.26, < 2026.3.1` - Patched: `2026.3.1`

Remediation

Upgrade to the fixed version using your package manager.

npm
Update openclaw to 2026.3.1 or later
npm install openclaw@2026.3.1

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

PackageEcosystemAffectedFixed In
openclaw
npm
All versions2026.3.1

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-78
    OS Command InjectionMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
—
Confidentiality
—
Integrity
—
Availability
—

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References

Frequently Asked Questions

What is CVE-2026-31999?
CpenClaw's ACPX Windows wrapper shell fallback allowed cwd injection in specific paths This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2026-31999?
CVE-2026-31999 affects openclaw. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-31999 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-6f6j-wx9w-ff4j

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