CVE-2021-30180: Apache Dubbo

Critical severity, CVSS 9.8. EPSS: 60.3% chance of exploitation in the next 30 days.

Apache Dubbo prior to 2.7.9 support Tag routing which will enable a customer to route the request to the right server. These rules are used by the customers when making a request in order to find the right endpoint. When parsing these YAML rules, Dubbo customers may enable calling arbitrary constructors.

Affected products

• Apache Dubbo: from 2.7.0, before 2.7.10 (fixed in 2.7.10)

Published 2021-06-01. Last modified 2026-06-17.