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.
https://github.com/EsotericSoftware
https://contrastsecurity.com
https://github.com/Contrast-Security-OSS/yamlbeans/blob/main/SECURITY.md
Source: Mitre, NVD
Published: 2023-08-25
Updated: 2026-06-17
Base Score: 7.2
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.00085