8.5
HIGH CVSS 4.0
CVE-2026-41387
OpenClaw < 2026.3.22 - Supply Chain Redirection via Incomplete Host Environment Sanitization
Description

OpenClaw before 2026.3.22 contains an incomplete host environment variable sanitization vulnerability in host-env-security-policy.json and host-env-security.ts that allows package-manager environment overrides. Attackers can exploit approved exec requests to redirect package resolution or runtime bootstrap to attacker-controlled infrastructure and execute trojanized content.

INFO

Published Date :

April 28, 2026, 7:37 p.m.

Last Modified :

April 28, 2026, 8:10 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-41387 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 HIGH [email protected]
CVSS 4.0 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 HIGH [email protected]
Solution
Update OpenClaw to version 2026.3.22 or later to fix environment variable sanitization.
  • Update OpenClaw to 2026.3.22 or later.
  • Apply vendor-provided patches for host-env-security-policy.json.
  • Apply vendor-provided patches for host-env-security.ts.
  • Review package manager configurations.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-41387.

URL Resource
https://github.com/openclaw/openclaw/security/advisories/GHSA-j7p2-qcwm-94v4
https://www.vulncheck.com/advisories/openclaw-supply-chain-redirection-via-incomplete-host-environment-sanitization
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-41387 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-41387 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-41387 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Apr. 28, 2026

    Action Type Old Value New Value
    Added Description OpenClaw before 2026.3.22 contains an incomplete host environment variable sanitization vulnerability in host-env-security-policy.json and host-env-security.ts that allows package-manager environment overrides. Attackers can exploit approved exec requests to redirect package resolution or runtime bootstrap to attacker-controlled infrastructure and execute trojanized content.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CWE CWE-183
    Added Reference https://github.com/openclaw/openclaw/security/advisories/GHSA-j7p2-qcwm-94v4
    Added Reference https://www.vulncheck.com/advisories/openclaw-supply-chain-redirection-via-incomplete-host-environment-sanitization
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.