{"schema_version":"1.9.0","id":"BIT-golang-2026-27140","published":"2026-04-13T05:43:35.566Z","modified":"2026-09-08T08:47:49.171572029Z","aliases":["CVE-2026-27140","GO-2026-4871"],"summary":"Code execution vulnerability in SWIG code generation in cmd/go","details":"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.","affected":[{"package":{"name":"golang","ecosystem":"Bitnami","purl":"pkg:bitnami/golang"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.25.9"},{"introduced":"1.26.0-0"},{"fixed":"1.26.2"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/golang/BIT-golang-2026-27140.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}],"references":[{"type":"ARTICLE","url":"https://go.dev/cl/763768"},{"type":"REPORT","url":"https://go.dev/issue/78335"},{"type":"DISCUSSION","url":"https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27140"},{"type":"ADVISORY","url":"https://pkg.go.dev/vuln/GO-2026-4871"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:10217"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:10219"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:10704"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:16021"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:16024"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:16494"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:16497"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:16498"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:16694"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:16697"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:16698"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:23246"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:25182"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-27140"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2456341"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27140.json"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:34099"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:57545"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:56854"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:57408"}],"database_specific":{"cpes":["cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*"],"severity":"High"}}