PT-2026-42638 · Npm · Openclaw

Published 2026-05-11 · Updated 2026-05-11

OSV

CVSS v3.1

7.3

High

Base vector

AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-mj59-h3q9-ghfh. This link is maintained to preserve external references.

Original Description

OpenClaw before 2026.4.20 contains an improper environment variable validation vulnerability in MCP stdio server configuration that allows attackers to execute arbitrary code. Malicious workspace configurations can pass dangerous startup variables like NODE OPTIONS, LD PRELOAD, or BASH ENV to spawned MCP server processes, enabling code injection when operators start sessions using those servers.

Fix

Weakness Enumeration

CWE-829

Related Identifiers

GHSA-P3M6-JR2H-HHXJ

Affected Products

Openclaw

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-44995 · Security Note
• https://osv.dev/vulnerability/GHSA-p3m6-jr2h-hhxj · Vendor Advisory
• https://github.com/openclaw/openclaw/commit/62fa5071896e95edc7f67d1cebc70a2859e283af · Note
• https://github.com/openclaw/openclaw/security/advisories/GHSA-mj59-h3q9-ghfh · Note
• https://github.com/openclaw/openclaw/commit/85d86ebc4bf3d2226d39d132a484f4f7a299fa1b · Note
• https://github.com/openclaw/openclaw · Note
• https://vulncheck.com/advisories/openclaw-arbitrary-code-execution-via-mcp-stdio-environment-variables · Note