---
id: CVE-2026-71215
title: >-
  art-template's sub-template resolution logic
  (src/compile/adapter/resolve-filename.js), used by both the include and extend
  template directives, resolves the target file path via path.resolve(root,
  filename) with no check afterward that …
summary: >-
  art-template's sub-template resolution logic
  (src/compile/adapter/resolve-filename.js), used by both the include and extend
  template directives, resolves the target file path via path.resolve(root,
  filename) with no check afterward that …
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-22
published: '2026-08-05'
updated: '2026-08-10'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-71215'
references:
  - url: 'https://github.com/aui/art-template'
    label: 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
tags:
  - nvd
epss: 0.00558
epssPercentile: 0.44083
ingestedAt: '2026-08-10T12:39:48.638Z'
---

## Overview

art-template's sub-template resolution logic (src/compile/adapter/resolve-filename.js), used by both the include and extend template directives, resolves the target file path via path.resolve(root, filename) with no check afterward that the result remains inside root.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.