CVE-2026-27140: fallo de gravedad alta en Go toolchain cmd/go
Code execution vulnerability in SWIG code generation in cmd/go
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 8.8epss 0.7%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Productos afectados
Go toolchain · cmd/goCVEs relacionadas — Go toolchain cmd/go
En el mismo producto, de las más peligrosas a las menos.
CVE-2020-28367—Arbitrary code execution via the go command with cgo in cmd/goEPSS 2.4%CVE-2020-28366—Arbitrary code execution in go command with cgo in cmd/go and cmd/cgoEPSS 2.3%CVE-2023-39323HIGHArbitrary code execution during build via line directives in cmd/goEPSS 1.9%CVE-2023-29404CRITICALImproper handling of non-optional LDFLAGS in go command with cgo in cmd/goEPSS 1.8%CVE-2023-39320—Arbitrary code execution via go.mod toolchain directive in cmd/goEPSS 1.8%CVE-2023-29405CRITICALImproper sanitization of LDFLAGS with embedded spaces in go command with cgo in cmd/goEPSS 1.7%
Referencias
https://access.redhat.com/errata/RHSA-2026:10217https://access.redhat.com/errata/RHSA-2026:10219https://access.redhat.com/errata/RHSA-2026:10704https://access.redhat.com/errata/RHSA-2026:16021https://access.redhat.com/errata/RHSA-2026:16024https://access.redhat.com/errata/RHSA-2026:16494https://access.redhat.com/errata/RHSA-2026:16497https://access.redhat.com/errata/RHSA-2026:16498https://access.redhat.com/errata/RHSA-2026:16694https://access.redhat.com/errata/RHSA-2026:16697https://access.redhat.com/errata/RHSA-2026:16698https://access.redhat.com/errata/RHSA-2026:23246