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CVE-2026-45017— Python Liquid: Absolute paths escape filesystem loader search path

Quick assessment

Affected
jg-rp liquid
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Python Liquid是James个人开发者的一个用于处理Liquid模板的Python引擎。 Python Liquid 2.2.0之前版本存在路径遍历漏洞，该漏洞源于FileSystemLoader和CachingFileSystemLoader未防止绝对路径读取，允许恶意模板作者加载和渲染任意文件。

AI Predicted 7.5 Difficulty: Easy EPSS 0.50% · P41

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 1

VendorProduct Version RangeStatus
jg-rp liquid < 2.2.0 affected
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I. Basic Information for CVE-2026-45017

Vulnerability Information
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Vulnerability Title
Python Liquid: Absolute paths escape filesystem loader search path
Source: CVE Program / CVE List V5
Vulnerability Description
Python Liquid is a Python engine for the Liquid template language. Prior to 2.2.0, the built-in FileSystemLoader and CachingFileSystemLoader do not guard against reading files outside their search paths when given an absolute path to resolve. This allows malicious template authors to load and render arbitrary files via the {% include %} and {% render %} tags. Targeted files would need to contain valid Liquid markup and be readable by the application process. This vulnerability is fixed in 2.2.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Python Liquid 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Python Liquid是James个人开发者的一个用于处理Liquid模板的Python引擎。 Python Liquid 2.2.0之前版本存在路径遍历漏洞，该漏洞源于FileSystemLoader和CachingFileSystemLoader未防止绝对路径读取，允许恶意模板作者加载和渲染任意文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
jg-rp liquid < 2.2.0 -

II. Public POCs for CVE-2026-45017

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III. Intelligence Information for CVE-2026-45017

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Vendor Advisories for CVE-2026-45017 (1)

IV. Related Vulnerabilities

Same product: liquid
Same vendor: jg-rp
Same weakness: CWE-22

V. Comments for CVE-2026-45017

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