CVE-2026-128338 | exceljs up to 4.4.0 Worksheet Col Element xlsx.load max memory allocation

November 13, 2026 Yanac

A vulnerability was found in exceljs up to 4.4.0. It has been declared as problematic. Impacted is the function xlsx.load of the component Worksheet Col Element. Executing a manipulation of the argument max can lead to uncontrolled memory allocation.

This vulnerability is tracked as CVE-2026-128338. The attack can be launched remotely. No exploit exists.VulDB Recent EntriesRead More