OpenClaw before 2026.4.9 contains an environment variable injection vulnerability allowing malicious workspace .env files to set runtime-control variables.
Date: 2026-05
Affected: openclaw/openclaw
Attack vector: other
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2026-43531
CWE: CWE-15
CVSS: 7.3 (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H)

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.


Mitigations:

Architectural layers (MAESTRO):