CVE-2026-109596

Medium

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.

SeverityMedium

CVSS5.5

Exploit probability—

Product

Hugo

PublishedOct 12, 2026

First seenOct 12, 2026

Weakness typeCWE-59Improper link resolution

How to fix

Update

gohugoio hugo0.167.0 or later

Vendor advisories

github.com/gohugoio/hugo/security/advisories/GHSA-6c8w-mpp8-9w47

Affected products

Product	Affected versions	Fixed in
gohugoio hugo	0.162.0 ≤ v < 0.167.0	0.167.0

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