Read the docs
TI-2021-06171 Aliases CVE-2021-23624GHSA-6g47-63mv-qpgh

Prototype pollution in dotty

Priority MEDIUM 45CWE-843Published · 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
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-843 and the CVSS impact.

Summary

This affects the package dotty before 0.1.2. A type confusion vulnerability can lead to a bypass of CVE-2021-25912 when the user-provided keys used in the path parameter are arrays.

Why it matters now

EPSS 0.01283 70th percentileScored 2026-11-07
Fix Fixed dotty: 0.1.2dotty (npm): 0.1.2

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—dottybefore 0.1.20.1.2Patch availableCNA
—dotty (npm)before 0.1.20.1.2Patch availableGHSA-6g47-63mv-qpgh
  • dotty Vendor— Affected before 0.1.2 Fixed in 0.1.2 Patch available CNA
  • dotty (npm) Vendor— Affected before 0.1.2 Fixed in 0.1.2 Patch available GHSA-6g47-63mv-qpgh

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:dotty_project:dotty:*:*:*:*:*:*:*:*before 0.1.2VulnerableDotty Project
  • cpe:2.3:a:dotty_project:dotty:*:*:*:*:*:*:*:* Versions before 0.1.2 Vulnerable ·Dotty Project

Remediation

  • Fix · CNA dotty Fixed in 0.1.2
  • Fix · GHSA-6g47-63mv-qpgh dotty (npm) Fixed in 0.1.2 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-23624
  2. 2026-10-03 Alias added: GHSA-6g47-63mv-qpgh

References

Sources