CVE-2026-27524: Openclaw

Medium severity, CVSS 4.3. EPSS: 0.4% chance of exploitation in the next 30 days.

OpenClaw versions prior to 2026.2.21 accept prototype-reserved keys in runtime /debug set override object values, allowing prototype pollution attacks. Authorized /debug set callers can inject __proto__, constructor, or prototype keys to manipulate object prototypes and bypass command gate restrictions.

Affected products

• Openclaw Openclaw: before 2026.2.21 (fixed in 2026.2.21)

Published 2026-03-18. Last modified 2026-06-17.