0.0
NA
CVE-2026-40008
Apache IoTDB: Arbitrary Class Instantiation via Pipe Transfer RPC
Description

Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache IoTDB. The pipe processor reads a fully qualified Java class name and instantiates it using Class.forName().newInstance() without any validation or allowlisting. This issue affects Apache IoTDB: from 1.0.0 before 2.0.10. Users are recommended to upgrade to version 2.0.10, which fixes the issue.

INFO

Published Date :

July 10, 2026, 8:16 a.m.

Last Modified :

July 10, 2026, 8:16 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-40008 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.

ID Vendor Product Action
1 Apache iotdb
Solution
Upgrade Apache IoTDB to version 2.0.10 or later to mitigate unsafe reflection.
  • Upgrade Apache IoTDB to version 2.0.10.
  • Apply vendor patches for affected versions.
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-2026-40008.

URL Resource
https://lists.apache.org/thread/fm8cpvzbox2qqy99ztglm8wkk1nrg9ng
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-40008 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-2026-40008 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-2026-40008 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-40008 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.

  • New CVE Received by [email protected]

    Jul. 10, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Apache Software Foundation', 'product': 'Apache IoTDB', 'versions': [{'status': 'affected', 'version': '1.0.0', 'lessThan': '2.0.10', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}]
    Added Description Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache IoTDB. The pipe processor reads a fully qualified Java class name and instantiates it using Class.forName().newInstance() without any validation or allowlisting. This issue affects Apache IoTDB: from 1.0.0 before 2.0.10. Users are recommended to upgrade to version 2.0.10, which fixes the issue.
    Added CWE CWE-470
    Added Reference https://lists.apache.org/thread/fm8cpvzbox2qqy99ztglm8wkk1nrg9ng
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.