CVE intelligence

CVE-2026-27140

Vulnerability intelligence

Published Apr 8, 2026Sources checked Sep 27, 2026

8.8HIGHCVSS out of 10

What this means

Review the available evidence

CVE-2026-27140 and is rated High severity with a CVSS score of 8.8. 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

EPSS0.8%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-27140?

SWIG file names containing 'cgo' and well-crafted payloads could lead to code smuggling and arbitrary code execution at build time due to trust layer bypass.