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TI-2021-06162 Aliases CVE-2021-23561GHSA-vxr4-rxw7-g7v6

Prototype pollution in comb

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 comb are vulnerable to Prototype Pollution via the deepMerge() function.

Why it matters now

EPSS 0.0121 68th 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

VendorProductAffected versionsFixed inStatusSource
—comball versions—No fix listedCNA
—comb (npm)up to 2.0.0—No fix listedGHSA-vxr4-rxw7-g7v6
  • comb Vendor— Affected all versions Fixed in — No fix listed CNA
  • comb (npm) Vendor— Affected up to 2.0.0 Fixed in — No fix listed GHSA-vxr4-rxw7-g7v6

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:c2fo:comb:*:*:*:*:*:node.js:*:*all versionsVulnerableC2FO
  • cpe:2.3:a:c2fo:comb:*:*:*:*:*:node.js:*:* Versions all versions Vulnerable ·C2FO

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-23561
  2. 2026-10-03 Alias added: GHSA-vxr4-rxw7-g7v6

References

Advisory 1

Other 1

Sources

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