Uncaught Exception in eemeli/yaml
Priority HIGH 72CWE-248Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-248.
Summary
Uncaught Exception in GitHub repository eemeli/yaml prior to 2.0.0-5.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01093 65th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed eemeli/yaml (eemeli): 2.0.0-5yaml (npm): 2.2.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| eemeli | eemeli/yaml | before 2.0.0-5 | 2.0.0-5 | Patch available | CNA |
| — | yaml (npm) | 2.0.0-5 to before 2.2.2 | 2.2.2 | Patch available | GHSA-f9xv-q969-pqx4 |
- eemeli/yaml Vendoreemeli Affected before 2.0.0-5 Fixed in 2.0.0-5 Patch available CNA
- yaml (npm) Vendor— Affected 2.0.0-5 to before 2.2.2 Fixed in 2.2.2 Patch available GHSA-f9xv-q969-pqx4
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:yaml_project:yaml:*:*:*:*:*:node.js:*:* | 2.0.0-5 to before 2.2.2 | Vulnerable | Yaml Project |
- cpe:2.3:a:yaml_project:yaml:*:*:*:*:*:node.js:*:* Versions 2.0.0-5 to before 2.2.2 Vulnerable ·Yaml Project
Remediation
- Fix · CNA eemeli/yaml (eemeli) Fixed in 2.0.0-5
- Fix · GHSA-f9xv-q969-pqx4 yaml (npm) Fixed in 2.2.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-2251
- 2026-10-03 Alias added: GHSA-f9xv-q969-pqx4
References
More eemeli vulnerabilities
- TI-2026-25925 yaml is vulnerable to Stack Overflow via deeply nested YAML collections CVSS 3.1MEDIUM 4.3
Sources
- CVE-2023-2251 · CVE Program
- CVE-2023-2251 · NVD
- FIRST EPSS
- GHSA-f9xv-q969-pqx4 · GitHub Advisory Database · CC BY 4.0
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