CVE-2022-24802: Deepmerge-Ts Project Deepmerge-Ts

Critical severity, CVSS 9.8. EPSS: 1.7% chance of exploitation in the next 30 days.

deepmerge-ts is a typescript library providing functionality to deep merging of javascript objects. deepmerge-ts is vulnerable to Prototype Pollution via file deepmerge.ts, function defaultMergeRecords(). This issue has been patched in version 4.0.2. There are no known workarounds for this issue.

Affected products

• Deepmerge-Ts Project Deepmerge-Ts: before 4.0.2 (fixed in 4.0.2)

Published 2022-04-01. Last modified 2026-06-17.