What’s Vulnerable › Vulnerabilities

CVE-2023-24621

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-25 · updated 2026-06-17
• Weakness: CWE-502

Description

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: through 1.15

References

• https://contrastsecurity.com
• https://github.com/Contrast-Security-OSS/yamlbeans/blob/main/SECURITY.md
• https://github.com/EsotericSoftware
• https://contrastsecurity.com
• https://github.com/Contrast-Security-OSS/yamlbeans/blob/main/SECURITY.md
• https://github.com/EsotericSoftware

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