Prototype pollution in lutils
Priority MEDIUM 44CWE-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
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
All versions of package lutils are vulnerable to Prototype Pollution via the main (merge) function.
Why it matters now
EPSS 0.01003 63rd percentileScored 2026-11-07
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 |
|---|---|---|---|---|---|
| — | lutils | all versions | — | No fix listed | CNA |
| — | lutils (npm) | up to 2.4.0 | — | No fix listed | GHSA-3r8w-mphv-2f3f |
- lutils Vendor— Affected all versions Fixed in — No fix listed CNA
- lutils (npm) Vendor— Affected up to 2.4.0 Fixed in — No fix listed GHSA-3r8w-mphv-2f3f
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:lutils_project:lutils:*:*:*:*:*:node.js:*:* | all versions | Vulnerable | Lutils Project |
- cpe:2.3:a:lutils_project:lutils:*:*:*:*:*:node.js:*:* Versions all versions Vulnerable ·Lutils Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-23396
- 2026-10-03 Alias added: GHSA-3r8w-mphv-2f3f
References
Sources
- CVE-2021-23396 · CVE Program
- CVE-2021-23396 · NVD
- FIRST EPSS
- GHSA-3r8w-mphv-2f3f · GitHub Advisory Database · CC BY 4.0
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