CVE-2026-27140
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2026-27140.html
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-27140
Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2026:10219
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| debian | bullseye | affected | |
| debian | trixie | affected | |
| debian | bookworm | affected | |
| debian | forky | fixed | 1.25.9-1 |
| debian | sid | fixed | 1.25.9-1 |
| sles | affected | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | toolchain | >=1.26.0-0,<1.26.2 | 1.25.9 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| gcp | | |
References
Verify integrity in audit chain (admin only). AS-IS.