CVE-2026-33576: Openclaw

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

OpenClaw before 2026.3.28 downloads and stores inbound media from Zalo channels before validating sender authorization. Unauthorized senders can force network fetches and disk writes to the media store by sending messages that are subsequently rejected.

Affected products

• Openclaw Openclaw: before 2026.3.28 (fixed in 2026.3.28)

Published 2026-03-31. Last modified 2026-07-24.