Prototype pollution in shvl
Priority MEDIUM 48CWE-1321Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
Prototype pollution vulnerability in 'shvl' versions 1.0.0 through 2.0.1 allows an attacker to cause a denial of service and may lead to remote code execution.
Why it matters now
EPSS 0.03071 87th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed shvl (npm): 2.0.2
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 |
|---|---|---|---|---|---|
| — | shvl | 1.0.0, 1.1.0, 1.1.1, 1.2.0, 1.2.1, 1.3.0, 1.3.1, 2.0.0, 2.0.1 | — | No fix listed | CNA |
| — | shvl (npm) | 1.0.0 to before 2.0.2 | 2.0.2 | Patch available | GHSA-pqwc-3vhw-qcvq |
- shvl Vendor— Affected 1.0.0, 1.1.0, 1.1.1, 1.2.0, 1.2.1, 1.3.0, 1.3.1, 2.0.0, 2.0.1 Fixed in — No fix listed CNA
- shvl (npm) Vendor— Affected 1.0.0 to before 2.0.2 Fixed in 2.0.2 Patch available GHSA-pqwc-3vhw-qcvq
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:shvl_project:shvl:*:*:*:*:*:node.js:*:* | 1.0.0 – 2.0.1 | Vulnerable | Shvl Project |
- cpe:2.3:a:shvl_project:shvl:*:*:*:*:*:node.js:*:* Versions 1.0.0 – 2.0.1 Vulnerable ·Shvl Project
Remediation
- Fix · GHSA-pqwc-3vhw-qcvq shvl (npm) Fixed in 2.0.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-28278
- 2026-10-03 Alias added: GHSA-pqwc-3vhw-qcvq
References
Exploit 1
Advisory 2
Other 4
Sources
- CVE-2020-28278 · CVE Program
- CVE-2020-28278 · NVD
- FIRST EPSS
- GHSA-pqwc-3vhw-qcvq · 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