CVE-2026-27140

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://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27140.json

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

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-20002

https://bugzilla.redhat.com/show_bug.cgi?id=2456341

https://access.redhat.com/security/cve/CVE-2026-27140

https://access.redhat.com/errata/RHSA-2026:57545

https://access.redhat.com/errata/RHSA-2026:57408

https://access.redhat.com/errata/RHSA-2026:56854

https://access.redhat.com/errata/RHSA-2026:34099

https://access.redhat.com/errata/RHSA-2026:25182

https://access.redhat.com/errata/RHSA-2026:23246

https://access.redhat.com/errata/RHSA-2026:16698

https://access.redhat.com/errata/RHSA-2026:16697

https://access.redhat.com/errata/RHSA-2026:16694

https://access.redhat.com/errata/RHSA-2026:16498

https://access.redhat.com/errata/RHSA-2026:16497

https://access.redhat.com/errata/RHSA-2026:16494

https://access.redhat.com/errata/RHSA-2026:16024

https://access.redhat.com/errata/RHSA-2026:16021

https://access.redhat.com/errata/RHSA-2026:10704

https://access.redhat.com/errata/RHSA-2026:10219

https://access.redhat.com/errata/RHSA-2026:10217

Details

Source: Mitre, NVD

Named Vulnerability: GO-2026-4871Named Vulnerability: GHSA-5w89-2c2x-6x66

Risk Information

CVSS v2

CVSS v3

EPSS