Insufficient input validation in npm package `jison` <= 0.4.18 may lead to OS command injection attacks.
Priority MEDIUM 48CWE-78Published · 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. Impact type from CWE-78.
Summary
Insufficient input validation in npm package `jison` <= 0.4.18 may lead to OS command injection attacks.
Why it matters now
EPSS 0.03633 89th 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 |
|---|---|---|---|---|---|
| — | jison | Not Fixed | — | No fix listed | CNA |
- jison Vendor— Affected Not Fixed Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jison_project:jison:*:*:*:*:*:node.js:*:* | up to 0.4.18 | Vulnerable | Jison Project |
- cpe:2.3:a:jison_project:jison:*:*:*:*:*:node.js:*:* Versions up to 0.4.18 Vulnerable ·Jison Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2020-8178
References
Exploit 1
Sources
- CVE-2020-8178 · CVE Program
- CVE-2020-8178 · NVD
- FIRST EPSS
- CVE-2020-8178 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences