CVE intelligence

CVE-2026-38754

Vulnerability intelligence

Published Jul 15, 2026Sources checked Sep 12, 2026

5.1MEDIUMCVSS out of 10

What this means

Review the available evidence

CVE-2026-38754 and is rated Medium severity with a CVSS score of 5.1. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

CISA KEVNot listedBased on the latest collected catalog

EPSS0.4%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-38754?

A heap overflow in the ifsbreakup() function (shell/ash.c) of Busybox v1.38.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input.