9.8
CRITICAL CVSS 3.1
CVE-2026-52439
Beetl Remote Code Execution Vulnerability
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

INFO

Published Date :

July 23, 2026, 9:17 p.m.

Last Modified :

July 28, 2026, 4:23 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-52439 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 CRITICAL 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Update xiandafu beetl to a version that addresses the arbitrary code execution vulnerability.
  • Update xiandafu beetl to version 3.20.2 or later.
  • Apply vendor patches for the affected software.
  • Review security configurations for type.new function.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-52439.

URL Resource
https://gitee.com/xiandafu/beetl
https://gitee.com/xiandafu/beetl/issues/IJO1HM
https://gitee.com/xiandafu/beetl/issues/IJO1HM
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-52439 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-52439 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-52439 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-52439 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 24, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-917
    Added Reference https://gitee.com/xiandafu/beetl/issues/IJO1HM
    Added SSVC {'id': 'CVE-2026-52439', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-07-24T19:26:22.143327Z'}
  • New CVE Received by [email protected]

    Jul. 23, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'n/a', 'product': 'n/a', 'versions': [{'status': 'affected', 'version': 'n/a'}]}]
    Added 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
    Added Reference https://gitee.com/xiandafu/beetl
    Added Reference https://gitee.com/xiandafu/beetl/issues/IJO1HM
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.