CVE-2026-27140: falha de alta gravidade em Go toolchain cmd/go
Code execution vulnerability in SWIG code generation in cmd/go
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21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
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
Produtos afetados
Go toolchain · cmd/goCVEs relacionadas — Go toolchain cmd/go
No mesmo produto, das mais perigosas para as 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%
Referências
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