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OpenClaw: Incomplete host-env-security-policy allows untrusted model to substitute compiler binaries via env overridesGHSA-g8xp-qx39-9jq9

MEDIUMFix: openclaw/openclaw@e277a37

GHSA-g8xp-qx39-9jq9 is a medium-severity (CVSS 6.1) CWE-427 vulnerability in openclaw. A fix is available for openclaw — see the affected versions and patch details below.

Also known asCVE-2026-41373
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 13, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.2%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs7th percentile — riskier than 7% of all scored CVEsHighest risk
0.00%0.23%0.45%0.68%0.0%0.2%May 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

GHSA-g8xp-qx39-9jq9 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 388,997 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected

How broadly this vulnerability is actually deployed: weekly install volume shows current usage, and reverse-dependency count shows how many other packages break if it stays unpatched.

133other npm packages depend on this — each one inherits the vulnerability until it's patched upstream
openclawnpm
3.9Mdownloads / week

Description

Summary

Incomplete host-env-security-policy.json allows untrusted model to substitute compiler binaries (CC, CXX, CARGO_BUILD_RUSTC, CMAKE_C_COMPILER) via env overrides on approved host exec requests

Current Maintainer Triage

  • Status: narrow
  • Normalized severity: medium
  • Assessment: Shipped v2026.3.28 host-env policy missed compiler override vars, but exploitation still requires an approved host-exec request inside the existing exec trust domain, so medium not high.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Latest published npm version: 2026.3.31
  • Vulnerable version range: <=2026.3.28
  • Patched versions: >= 2026.3.31
  • First stable tag containing the fix: v2026.3.31

Fix Commit(s)

  • e277a37f896b5011a1df06e6490c6630074d0afa — 2026-03-30T20:06:32+01:00

OpenClaw thanks @tdjackey for reporting.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
📦npmopenclawall versions2026.3.31npm install openclaw@2026.3.31

Affected Products

1 product · 1 configurations
Application
openclawopenclaw
< 2026.3.31
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for openclaw, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update openclaw to 2026.3.31 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-g8xp-qx39-9jq9 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

## Summary Incomplete `host-env-security-policy.json` allows untrusted model to substitute compiler binaries (`CC`, `CXX`, `CARGO_BUILD_RUSTC`, `CMAKE_C_COMPILER`) via env overrides on approved host exec requests ## Current Maintainer Triage - Status: narrow - Normalized severity: medium - Assessment: Shipped v2026.3.28 host-env policy missed compiler override vars, but exploitation still requires an approved host-exec request inside the existing exec trust domain, so medium not high. ## Affected Packages / Versions - Package: `openclaw` (npm) - Latest published npm version: `2026.3.31` - Vu
O3 Security · Impact-Aware SCA

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OpenClaw: Incomplete host-env-security-policy allows…