Esoteric YamlBeans Unsafe Deserialization vulnerability
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 software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | com.esotericsoftware.yamlbeans:yamlbeans | <= 1.15 | no fix |
References
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-502- Platform
- Java / Kotlin (Maven)
- Package
com.esotericsoftware.yamlbeans:yamlbeans- Disclosed
- 25.08.2023
- Updated
- 11.10.2026 11:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-jm7r-4pg6-gf26 - CC BY 4.0
Vulnerability history: com.esotericsoftware.yamlbeans:yamlbeans
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 08.2023 08.2023
- Without a fix
- 2
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 1
Disclosures per year
- 2023: 2
- 2024: 0
- 2025: 0
- 2026: 0
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Esoteric YamlBeans Unsafe Deserialization vulnerability this entry
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