PT-2026-31058 · Go Toolchain · Cmd/Go

Juho Forsén · Published 2026-04-08 · Updated 2026-04-08 · CVE-2026-27140

NVD

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.

Related Identifiers

CVE-2026-27140

Affected Products

Cmd/Go

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-27140 · Security Note
• https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU · Note
• https://go.dev/cl/763768 · Note
• https://go.dev/issue/78335 · Note
• https://pkg.go.dev/vuln/GO-2026-4871 · Note