JYaml through 1.3 allows remote code execution during deserialization of a malicious…
Priority MEDIUM 50CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
JYaml through 1.3 allows remote code execution during deserialization of a malicious payload through the load() function. NOTE: this is a discontinued product.
Why it matters now
EPSS 0.04962 92nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | org.jyaml:jyaml (Maven) | up to 1.3 | — | No fix listed | GHSA-4qhr-q7wf-94xp |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- org.jyaml:jyaml (Maven) Vendor— Affected up to 1.3 Fixed in — No fix listed GHSA-4qhr-q7wf-94xp
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jyaml_project:jyaml:*:*:*:*:*:*:*:* | up to 1.3 | Vulnerable | Jyaml Project |
- cpe:2.3:a:jyaml_project:jyaml:*:*:*:*:*:*:*:* Versions up to 1.3 Vulnerable ·Jyaml Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-8441
- 2026-10-03 Alias added: GHSA-4qhr-q7wf-94xp
References
Advisory 4
Sources
- CVE-2020-8441 · CVE Program
- CVE-2020-8441 · NVD
- FIRST EPSS
- GHSA-4qhr-q7wf-94xp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences