CVE-2023-24621
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2023-24621- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2023-24621- Updated
- 2026-11-02
EUVDEUVD-2023-2320 No score
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.
- Record
EUVD-2023-2320- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jm7r-4pg6-gf26
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.
- Record
GHSA-jm7r-4pg6-gf26- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
OSVGHSA-jm7r-4pg6-gf26
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.
- Record
GHSA-jm7r-4pg6-gf26- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2023-24621- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
com.esotericsoftware.yamlbeans:yamlbeansMaven |
through 1.15 | None known |
com.esotericsoftware.yamlbeans:yamlbeansMaven |
through 1.15, plus listed versions 1.061.081.091.111.121.131.14 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-24621 is a high vulnerability (CVSS 7.8) in Esotericsoftware Yamlbeans, published August 25, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. No source names a fixed version.
References
github.com/EsotericSoftware
contrastsecurity.com
nvd.nist.gov/vuln/detail/CVE-2023-24621