{"id":"CVE-2026-109596","title":"Hugo from v0.162.0 before v0.167.0 contains an improper link resolution vulnerability that lets malicious themes or modules expose files outside their root via nested-mount ancestor directories","summary":"Hugo from v0.162.0 before v0.167.0 contains an improper link resolution vulnerability that lets malicious themes or modules expose files outside their root via nested-mount ancestor directories. Attackers controlling a theme can place a …","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cwe":["CWE-59"],"published":"2026-10-12","updated":"2026-10-12","sourceUpdated":"2026-10-12T23:17:23.033","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109596","references":[{"url":"https://github.com/gohugoio/hugo/security/advisories/GHSA-6c8w-mpp8-9w47","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/hugo-from-0.162.0-before-0.167.0-symlink-file-disclosure-via-nested-mount-ancestor","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"ingestedAt":"2026-10-13T00:09:02.613Z","slug":"CVE-2026-109596","body":"## Overview\n\nHugo from v0.162.0 before v0.167.0 contains an improper link resolution vulnerability that lets malicious themes or modules expose files outside their root via nested-mount ancestor directories. Attackers controlling a theme can place a symlink or NTFS junction at a virtual ancestor directory, causing resources.Match to list and publish local files during builds.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}