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TI-2021-06125 Aliases CVE-2021-23433GHSA-vpf5-82c8-9v36

Prototype pollution in algoliasearch-helper

Priority MEDIUM 46CWE-1321Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Tampering
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-915.

Summary

The package algoliasearch-helper before 3.6.2 are vulnerable to Prototype Pollution due to use of the merge function in src/SearchParameters/index.jsSearchParameters._parseNumbers without any protection against prototype properties. Note that this vulnerability is only exploitable if the implementation allows users to define arbitrary search patterns.

Why it matters now

EPSS 0.01947 80th percentileScored 2026-11-07
Fix Fixed algoliasearch-helper: 3.6.2algoliasearch-helper (npm): 3.6.2

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
—algoliasearch-helperbefore 3.6.23.6.2Patch availableCNA
—algoliasearch-helper (npm)before 3.6.23.6.2Patch availableGHSA-vpf5-82c8-9v36
  • algoliasearch-helper Vendor— Affected before 3.6.2 Fixed in 3.6.2 Patch available CNA
  • algoliasearch-helper (npm) Vendor— Affected before 3.6.2 Fixed in 3.6.2 Patch available GHSA-vpf5-82c8-9v36

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:algolia:algoliasearch-helper:*:*:*:*:*:node.js:*:*before 3.6.2VulnerableAlgolia
  • cpe:2.3:a:algolia:algoliasearch-helper:*:*:*:*:*:node.js:*:* Versions before 3.6.2 Vulnerable ·Algolia

Remediation

  • Fix · CNA algoliasearch-helper Fixed in 3.6.2
  • Fix · GHSA-vpf5-82c8-9v36 algoliasearch-helper (npm) Fixed in 3.6.2 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-23433
  2. 2026-10-03 Alias added: GHSA-vpf5-82c8-9v36

References

Patch 1

Advisory 1

Other 2

  • TI-2025-02792 Prototype pollution in algoliasearch-helper CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences