{"id":"BIT-golang-2026-56857","summary":"Root.Mkdir(All) can follow junctions out of the root on Windows in os","details":"On Windows, when the target of Root.Mkdir or Root.MkdirAll is a junction pointing to an empty location, the operation can create a directory at the junction target even when that target is located outside the root. This only applies to operations where the last path component is a junction (path/to/junction, but not path/junction/target).","aliases":["CVE-2026-56857","GO-2026-6604"],"modified":"2026-10-16T09:55:42.275912220Z","published":"2026-10-16T08:39:49.973Z","database_specific":{"severity":"Critical","cpes":["cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*"]},"references":[{"type":"WEB","url":"https://go.dev/cl/847305"},{"type":"WEB","url":"https://go.dev/issue/81739"},{"type":"WEB","url":"https://groups.google.com/g/golang-announce/c/U2fTuyDJznI"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56857"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2026-6604"}],"affected":[{"package":{"name":"golang","ecosystem":"Bitnami","purl":"pkg:bitnami/golang"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.26.9"},{"introduced":"1.27.0-0"},{"fixed":"1.27.2"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/golang/BIT-golang-2026-56857.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}],"schema_version":"1.9.0"}