CVE-2026-27140

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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
golang-1.15 (PTS)	bullseye	1.15.15-1~deb11u4	vulnerable
golang-1.19 (PTS)	bookworm	1.19.8-2	vulnerable
golang-1.24 (PTS)	trixie	1.24.4-1	vulnerable
	forky, sid	1.24.13-2	vulnerable
golang-1.25 (PTS)	forky	1.25.8-1	vulnerable
	sid	1.25.9-1	fixed
golang-1.26 (PTS)	forky	1.26.1-1	vulnerable
	sid	1.26.2-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version
golang-1.15	source	(unstable)	(unfixed)
golang-1.19	source	(unstable)	(unfixed)
golang-1.24	source	(unstable)	(unfixed)
golang-1.25	source	(unstable)	1.25.9-1
golang-1.26	source	(unstable)	1.26.2-1

Notes

https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU
https://github.com/golang/go/issues/78335
Fixed by: https://github.com/golang/go/commit/096f21b1c50fe62bc54c1fb1ede60fca63239123 (go1.26.2)
Fixed by: https://github.com/golang/go/commit/abaa0cbb259e059ee60c33a7507eddc1fe7d20fa (go1.25.9)