{"id":"CVE-2026-56857","title":"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","summary":"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 o…","severity":"none","published":"2026-10-08","updated":"2026-10-08","sourceUpdated":"2026-10-08T23:17:01.487","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-56857","references":[{"url":"https://go.dev/cl/847305","label":"security@golang.org"},{"url":"https://go.dev/issue/81739","label":"security@golang.org"},{"url":"https://groups.google.com/g/golang-announce/c/U2fTuyDJznI","label":"security@golang.org"},{"url":"https://pkg.go.dev/vuln/GO-2026-6604","label":"security@golang.org"}],"tags":["nvd"],"ingestedAt":"2026-10-09T00:19:50.973Z","slug":"CVE-2026-56857","body":"## Overview\n\nOn 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).\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}