CVE-2026-52439

Deferred Deferred - Pending Action

Code Execution in Beetl 3.20.2 via Reflection

Publication date: 2026-07-23

Last updated on: 2026-07-28

Assigner: MITRE

Description

An issue in xiandafu beetl 3.20.2 allows a remote attacker to execute arbitrary code via the type.new function and the property reflection mechanism

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-07-23

Last Modified

2026-07-28

Generated

2026-08-13

AI Q&A

2026-07-24

EPSS Evaluated

2026-08-11

NVD

CVE-2026-52439

Affected Vendors & Products

Vendor	Product	Version / Range
xiandafu	beetl	3.20.2

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-917	The product constructs all or part of an expression language (EL) statement in a framework such as a Java Server Page (JSP) using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended EL statement before it is executed.

Attack-Flow Graph

Executive Summary

This vulnerability in xiandafu beetl 3.20.2 allows a remote attacker to execute arbitrary code by exploiting the type.new function and property reflection mechanism. This means an attacker could potentially run malicious code on a system running the affected software.

Impact Analysis

If you use xiandafu beetl 3.20.2, an attacker could exploit this flaw to execute arbitrary code on your system. This could lead to unauthorized access, data theft, system compromise, or further attacks within your network.

Compliance Impact

The provided CVE data does not specify how this vulnerability affects compliance with standards like GDPR or HIPAA. The description focuses on arbitrary code execution via type.new function and property reflection, which is a technical impact but lacks details on regulatory implications.

Mitigation Strategies

Immediately update or patch the xiandafu beetl software to a version that fixes the arbitrary code execution vulnerability in the type.new function and property reflection mechanism.

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