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{"bugzilla": {"description": "cmd/go: golang: Go (golang) and cmd/go: Arbitrary Code Execution via malicious SWIG file names", "id": "2456341", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2456341"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.0", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-641", "details": ["A flaw was found in the Go programming language (golang) and its command-line tool (cmd/go). A remote attacker could exploit this during the build process by crafting malicious SWIG (Simplified Wrapper and Interface Generator) file names that contain \"cgo\" and specific payloads. This could lead to code smuggling and arbitrary code execution, bypassing trust mechanisms and allowing the attacker to run unauthorized code."], "name": "CVE-2026-27140", "package_state": [{"cpe": "cpe:/a:redhat:service_mesh:2", "fix_state": "Affected", "package_name": "openshift4/ose-docker-builder-rhel9", "product_name": "OpenShift Service Mesh 2"}, {"cpe": "cpe:/a:redhat:service_mesh:3", "fix_state": "Affected", "package_name": "openshift4/ose-docker-builder-rhel9", "product_name": "OpenShift Service Mesh 3"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "golang", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "golang", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "go-toolset:rhel8/golang", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "golang", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "golang1.25", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "golang1.26", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift4/ose-docker-builder-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:container_native_virtualization:4", "fix_state": "Affected", "package_name": "openshift4/ose-docker-builder-rhel9", "product_name": "Red Hat OpenShift Virtualization 4"}], "public_date": "2026-04-08T01:06:57Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-27140\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-27140\nhttps://go.dev/cl/763768\nhttps://go.dev/issue/78335\nhttps://groups.google.com/g/golang-announce/c/0uYbvbPZRWU\nhttps://pkg.go.dev/vuln/GO-2026-4871"], "threat_severity": "Important"}