CVE-2026-27140
Published: April 9, 2026Last modified: April 11, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.8 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | go | Fixed (1.25.9-r0) |
| 25 LTS | go | Fixed (1.25.9-r0) | |
| Stream | go | Fixed (1.26.2-r0) | |
| Hardened Containers | 23 LTS | go | Fixed (1.25.9-r0) |
| 25 LTS | go | Fixed (1.25.9-r0) | |
| Stream | go | Fixed (1.26.2-r0) |
References
- https://access.redhat.com/errata/RHSA-2026:10217
- https://access.redhat.com/errata/RHSA-2026:10219
- https://access.redhat.com/errata/RHSA-2026:10704
- https://access.redhat.com/errata/RHSA-2026:16021
- https://access.redhat.com/errata/RHSA-2026:16024
- https://access.redhat.com/errata/RHSA-2026:16494
- https://access.redhat.com/errata/RHSA-2026:16497
- https://access.redhat.com/errata/RHSA-2026:16498
- https://access.redhat.com/errata/RHSA-2026:16694
- https://access.redhat.com/errata/RHSA-2026:16697
- https://access.redhat.com/errata/RHSA-2026:16698
- https://access.redhat.com/errata/RHSA-2026:23246
- https://access.redhat.com/errata/RHSA-2026:25182
- https://access.redhat.com/security/cve/CVE-2026-27140
- https://bugzilla.redhat.com/show_bug.cgi?id=2456341
- https://go.dev/cl/763768
- https://go.dev/issue/78335
- https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU
- https://pkg.go.dev/vuln/GO-2026-4871
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27140.json