openwrt ▾
›
openwrt-25.12 ▾
›
vulnerability
›
CVE-2026-27140
Component Overview
Vulnerability Overview
Name
CVE-2026-27140
Source
NVD (
link
)
Debian (
link
)
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
CWE-863
Published Date
Apr 8, 2026
Updated Date
Jun 17, 2026
Workaround
-
Advisories
https://go.dev/cl/763768
Release Notes
https://go.dev/issue/78335
Issue Tracking
https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU
Mailing List
https://pkg.go.dev/vuln/GO-2026-4871
Vendor Advisory
Analysis
#
Affected Component
Analysis
golang-bootstrap
Exploitable
Vulnerability Ratings
#
8.8
CVSSv31
8.8
CVSSv31
NaN
other
Others affected components
#
Name
Project
Project Version
Version
Status
golang-bootstrap
openwrt
master
1.24.13-r1
Exploitable
golang1.26
openwrt
master
1.26.4-r1
Not Affected
go
yocto
kirkstone
1.17.13
Exploitable
go-binary-native
yocto
kirkstone
1.17.13
Exploitable
go
yocto
master
1.26.4
Not Affected
go-binary-native
yocto
master
1.26.4
Not Affected
go
yocto
scarthgap
1.22.12
Patched
go-binary-native
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