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TI-2021-17638 Aliases CVE-2021-40663GHSA-3829-mgmw-jcg4

deep.assign npm package 0.0.0-alpha.0 is vulnerable to Improperly Controlled Modification…

Priority MEDIUM 46CWE-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

deep.assign npm package 0.0.0-alpha.0 is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution').

Why it matters now

EPSS 0.01794 78th 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—deep.assign (npm)——No fix listedGHSA-3829-mgmw-jcg4
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • deep.assign (npm) Vendor— Affected — Fixed in — No fix listed GHSA-3829-mgmw-jcg4

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:deep.assign_project:deep.assign:0.0.0:alpha0:*:*:*:node.js:*:*0.0.0 alpha0VulnerableDeep.assign Project
  • cpe:2.3:a:deep.assign_project:deep.assign:0.0.0:alpha0:*:*:*:node.js:*:* Versions 0.0.0 alpha0 Vulnerable ·Deep.assign Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-40663
  2. 2026-10-03 Alias added: GHSA-3829-mgmw-jcg4

References

Sources