CVE-2026-4039: Openclaw

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

A vulnerability was determined in OpenClaw 2026.2.19-2. This vulnerability affects the function applySkillConfigenvOverrides of the component Skill Env Handler. Executing a manipulation can lead to code injection. It is possible to launch the attack remotely. Upgrading to version 2026.2.21-beta.1 is able to resolve this issue. This patch is called 8c9f35cdb51692b650ddf05b259ccdd75cc9a83c. It is recommended to upgrade the affected component.

Affected products

• Openclaw Openclaw: before 2026.2.21 (fixed in 2026.2.21)

Published 2026-03-12. Last modified 2026-06-17.