estree-util-value-to-estree allows prototype pollution in generated ESTree
Priority LOW 31CWE-1321Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub.
Summary
estree-util-value-to-estree converts a JavaScript value to an ESTree expression. When generating an ESTree from a value with a property named __proto__, valueToEstree would generate an object that specifies a prototype instead. This vulnerability is fixed in 3.3.3.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00456 39th percentileScored 2026-11-07
Fix Fixed estree-util-value-to-estree (remcohaszing): 3.3.3estree-util-value-to-estree (npm): 3.3.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| remcohaszing | estree-util-value-to-estree | before 3.3.3 | 3.3.3 | Patch available | CNA |
| — | estree-util-value-to-estree (npm) | before 3.3.3 | 3.3.3 | Patch available | GHSA-f7f6-9jq7-3rqj |
- estree-util-value-to-estree Vendorremcohaszing Affected before 3.3.3 Fixed in 3.3.3 Patch available CNA
- estree-util-value-to-estree (npm) Vendor— Affected before 3.3.3 Fixed in 3.3.3 Patch available GHSA-f7f6-9jq7-3rqj
Remediation
- Fix · CNA estree-util-value-to-estree (remcohaszing) Fixed in 3.3.3
- Fix · GHSA-f7f6-9jq7-3rqj estree-util-value-to-estree (npm) Fixed in 3.3.3 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2025-32014
- 2026-10-03 Alias added: GHSA-f7f6-9jq7-3rqj
References
Sources
- CVE-2025-32014 · CVE Program
- CVE-2025-32014 · NVD
- FIRST EPSS
- GHSA-f7f6-9jq7-3rqj · GitHub Advisory Database · CC BY 4.0
- CVE-2025-32014 · 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