CVE-2026-12644
ts-deepmerge: Prototype Method Override leads to DoS
5.3
MEDIUM
CVSS 3.1
描述
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.
如何修補 CVE-2026-12644
要修補 CVE-2026-12644,請將受影響套件升級到下列已修補版本。
- npm/ts-deepmerge—升級至 8.0.0 或更新版本
CVE-2026-12644 正在被利用嗎?
目前沒有被利用訊號。CVE-2026-12644 既不在 CISA KEV 也沒有最新的 EPSS 分數。
受影響套件(1)
- from 0, < 8.0.0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P |
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |