{"id":"CVE-2026-109596","summary":"Hugo from v0.162.0 before v0.167.0 Symlink File Disclosure via Nested Mount Ancestor","details":"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 symlink or NTFS junction at a virtual ancestor directory, causing resources.Match to list and publish local files during builds.","aliases":["GHSA-6c8w-mpp8-9w47"],"modified":"2026-10-13T10:48:20.321960566Z","published":"2026-10-12T22:21:51.306Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-59"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109596.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109596.json"},{"type":"ADVISORY","url":"https://github.com/gohugoio/hugo/security/advisories/GHSA-6c8w-mpp8-9w47"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109596"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/hugo-from-0.162.0-before-0.167.0-symlink-file-disclosure-via-nested-mount-ancestor"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gohugoio/hugo","events":[{"introduced":"076dfe13d0f789e3d9586b192f8f7f3329c26990"},{"fixed":"3fff6fb5c267dacb26280c78dbe8c344054249c8"}],"database_specific":{"extracted_events":[{"introduced":"0.162.0"},{"fixed":"0.167.0"}],"source":"AFFECTED_FIELD"}}],"versions":["v0.166.0","v0.165.0","v0.164.0","v0.163.3","v0.163.2","v0.163.1","v0.163.0","v0.162.1","v0.162.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109596.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}]}