Vulnerability · Published May 5, 2026 · Assigned by VulnCheck

CVE-2026-43531OpenClaw < 2026.4.9 - Environment Variable Injection via Workspace .env File

High 7.3

In plain English

A high-severity security flaw in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.2%top 89.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

OpenClaw before 2026.4.9 contains an environment variable injection vulnerability allowing malicious workspace .env files to set runtime-control variables. Attackers can inject variables affecting update sources, gateway URLs, ClawHub resolution, and browser executable paths to compromise application behavior.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmopenclaw2026.4.9GHSA-7wv4-cc7p-jhxc

Affected products (as reported)

VendorProductVersions
OpenClaw OpenClaw 0 – before 2026.4.9

Weakness: CWE-15 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

References