5.3
Moyenne
CVE-2026-12644 Versions of the package ts-deepmerge before 8.0.0 are vulnerable to Uncaught Exception due to the improper handling of…
Description
Versions of the package ts-deepmerge before 8.0.0 are vulnerable to Uncaught Exception due to the improper handling of built-in Object.prototype methods (such as toString, valueOf). When user-controlled input contains these keys with non-function values, the resulting merged object becomes broken — any string context operation throws a TypeError, crashing the application.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| ts-deepmerge 8.0 | premières → < 8.0.0 | 8.0.0 |