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Name
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.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
https://go.dev/cl/763768Release Notes
https://go.dev/issue/78335Issue Tracking
https://pkg.go.dev/vuln/GO-2026-4871Vendor Advisory
Analysis#
Vulnerability Ratings#
8.8
CVSSv31
8.8
CVSSv31
NaN
other
Others affected components#
Name
Project
Project Version
Version
Status
openwrt
master
1.24.13-r1
Exploitable
openwrt
master
1.26.4-r1
Not Affected
openwrt
openwrt-25.12
1.24.13-r1
Exploitable
openwrt
openwrt-25.12
1.26.4-r1
Not Affected
yocto
master
1.26.4
Not Affected
yocto
master
1.26.4
Not Affected
yocto
scarthgap
1.22.12
Patched
yocto
scarthgap
1.22.12
Exploitable
Resolved with patches#
go (yocto:scarthgap)
#
Title
Author
Resolve
1
[release-branch.go1.25] cmd/go: disallow cgo trust boundary
Neal Patel <nealpatel@google.com>
CVE-2026-27140