CVE-2026-109595
Published:October 12, 2026
Updated:October 13, 2026
Hugo from v0.84.0 before v0.167.0 contains a path traversal vulnerability that allows malicious themes or modules to read files outside the project root via ESBuild's fallback resolver in js.Build, js.Batch, and css.Build. Attackers can ship relative imports or symlinks pointing outside the project to bundle any file readable by the build user into published JavaScript or CSS output.
Affected Packages
https://github.com/gohugoio/hugo.git (GITHUB):
Affected version(s) >=v0.74.0 <v0.167.0Fix Suggestion:
Update to version v0.167.0github.com/gohugoio/hugo (GO):
Affected version(s) >=v0.166.1-0.20260909150738-f425ff622dfc <v0.167.0Fix Suggestion:
Update to version v0.167.0Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.7
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
ACTIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
EPSS
Base Score:
0.14