CVE-2026-42438: Openclaw

High severity, CVSS 7.7. EPSS: 0.4% chance of exploitation in the next 30 days.

OpenClaw versions 2026.4.9 before 2026.4.10 contain a sender policy bypass vulnerability in the outbound host-media attachment read helper that allows unauthorized local file disclosure. Attackers with denied read access via toolsBySender or group policy can trigger host-media attachment loading to bypass sender and group-scoped authorization boundaries and retrieve readable local files through the outbound media path.

Affected products

• Openclaw Openclaw: version 2026.4.9 only

Published 2026-05-05. Last modified 2026-06-17.