What is CVE-2026-59940?
CVE-2026-59940 affects the Seroval library, where the `fromJSON()` function fails to properly verify Promise control nodes. This vulnerability allows an attacker to manipulate values from the deserialization reference table via crafted JSON. Users are advised to upgrade to version 1.5.3 or later.
Azərbaycanca: CVE-2026-59940 Seroval kitabxanasında aşkarlanıb, burada `fromJSON()` funksiyası düzgün yoxlama aparmır. Bu zəiflik təcavüzkara xüsusi hazırlanmış JSON vasitəsilə Promise idarəetmə qovşaqlarını manipulyasiya etməyə imkan verir. İstifadəçilərə 1.5.3 və ya daha yuxarı versiyaya yeniləmə tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-502
FAQ2
Which function in the Seroval library is affected by CVE-2026-59940?
The vulnerability affects the `fromJSON()` function, as it fails to properly verify Promise control nodes.
Which version is recommended to mitigate CVE-2026-59940?
Users are advised to upgrade to version 1.5.3 or later of the Seroval library.
See also6
This explainer is AI-written from source data — skopnix's own reporting on this CVE; CVSS scores, vendors and versions are never invented. See NVD for the official record.