Medium severity · published Oct 12, 2026
CVE-2026-109596
Hugo from v0.162.0 before v0.167.0 Symlink File Disclosure via Nested Mount Ancestor
5.5
CVSS
0.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HU
hugo · gohugoio
0.162.0 before 0.167.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-109596
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-109596
vendor-advisory
https://github.com/gohugoio/hugo/security/advisories/GHSA-6c8w-mpp8-9w47
third-party-advisory
https://www.vulncheck.com/advisories/hugo-from-0.162.0-before-0.167.0-symlink-file-disclosure-via-nested-mount-ancestor
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