CVE-2026-27140

high

Description

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.

References

https://pkg.go.dev/vuln/GO-2026-4871

https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU

https://go.dev/issue/78335

https://go.dev/cl/763768

Details

Source: Mitre, NVD

Published: 2026-04-08

Updated: 2026-04-16

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00008