| { |
| "schema_version": "1.3.1", |
| "id": "GO-2026-4978", |
| "modified": "0001-01-01T00:00:00Z", |
| "published": "0001-01-01T00:00:00Z", |
| "aliases": [ |
| "CVE-2026-39819" |
| ], |
| "summary": "Invoking \"go bug\" follows symlinks in predictable temporary filenames in cmd/go", |
| "details": "The \"go bug\" command writes to two files with predictable names in the system temporary directory (for example, \"/tmp\").\n\nAn attacker with access to the temporary directory can create a symlink in one of these names, causing \"go bug\" to overwrite the target of the symlink.", |
| "affected": [ |
| { |
| "package": { |
| "name": "toolchain", |
| "ecosystem": "Go" |
| }, |
| "ranges": [ |
| { |
| "type": "SEMVER", |
| "events": [ |
| { |
| "introduced": "0" |
| }, |
| { |
| "fixed": "1.25.10" |
| }, |
| { |
| "introduced": "1.26.0-0" |
| }, |
| { |
| "fixed": "1.26.3" |
| } |
| ] |
| } |
| ], |
| "ecosystem_specific": { |
| "imports": [ |
| { |
| "path": "cmd/go" |
| } |
| ] |
| } |
| } |
| ], |
| "references": [ |
| { |
| "type": "REPORT", |
| "url": "https://go.dev/issue/78584" |
| }, |
| { |
| "type": "FIX", |
| "url": "https://go.dev/cl/763882" |
| }, |
| { |
| "type": "WEB", |
| "url": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M" |
| } |
| ], |
| "credits": [ |
| { |
| "name": "Harshit Gupta (Mr HAX)" |
| } |
| ], |
| "database_specific": { |
| "url": "https://pkg.go.dev/vuln/GO-2026-4978", |
| "review_status": "REVIEWED" |
| } |
| } |
