CVE-2023-24621: Esotericsoftware Yamlbeans

High severity, CVSS 7.8. EPSS: 0.5% chance of exploitation in the next 30 days.

An issue was discovered in Esoteric YamlBeans through 1.15. It allows untrusted deserialisation to Java classes by default, where the data and class are controlled by the author of the YAML document being processed.

Affected products

• Esotericsoftware Yamlbeans: up to and including 1.15

Published 2023-08-25. Last modified 2026-06-17.