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CVE-2026-4813— Code injection in the Lutece Core

Quick assessment

Affected
Lutece Lutece Core
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.

Lutece Core是Lutece团队的一款构建门户网站的开发框架。 Lutece Core 7.1.7及之前版本存在安全漏洞，该漏洞源于XML/XSLT处理配置未启用安全处理模式，允许从恶意XSL样式表执行Java扩展函数，具有管理员权限的攻击者可上传恶意XSL转换文件并在用户导出操作时触发执行，导致任意代码执行。

CVSS 9.4 · Critical EPSS 0.53% · P44

Possible ATT&CK Techniques 1 AI

T1204 · User Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
Lutece Lutece Core < 7.1.7 affected
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I. Basic Information for CVE-2026-4813

Vulnerability Information
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Vulnerability Title
Code injection in the Lutece Core
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the Lutece Core XSL export management module up to version 7.1.7, which allows authenticated administrators to execute code remotely. The XML/XSLT processing configuration does not enable secure processing mode (FEATURE_SECURE_PROCESSING), allowing Java extension functions to be executed from malicious XSL stylesheets. An attacker with administrator privileges can upload a manipulated XSL transformation file and trigger its execution during user export operations, resulting in the execution of arbitrary code on the server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Lutece Core 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lutece Core是Lutece团队的一款构建门户网站的开发框架。 Lutece Core 7.1.7及之前版本存在安全漏洞，该漏洞源于XML/XSLT处理配置未启用安全处理模式，允许从恶意XSL样式表执行Java扩展函数，具有管理员权限的攻击者可上传恶意XSL转换文件并在用户导出操作时触发执行，导致任意代码执行。
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
Lutece Lutece Core 0 ~ 7.1.7 -

II. Public POCs for CVE-2026-4813

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III. Intelligence Information for CVE-2026-4813

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Vendor Advisories for CVE-2026-4813 (1)

IV. Related Vulnerabilities

Same weakness: CWE-94

V. Comments for CVE-2026-4813

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