CVE-2026-100564: Openclaw

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

OpenClaw versions before 2026.8.1 fail to neutralize spreadsheet formula characters in participant display names within attendance CSV exports. Attackers can inject formula-like cells that execute with spreadsheet user permissions when the export is opened in formula-enabled applications.

Affected products

• Openclaw Openclaw: before 2026.8.1 (fixed in 2026.8.1)

Published 2026-09-26. Last modified 2026-09-30.