# CVE-2026-40008

## Summary

- **CVE ID:** CVE-2026-40008
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-470
- **Published:** Jul 10, 2026
- **Last Modified:** Jul 10, 2026

## 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.

## Affected Products

- Apache Software Foundation — Apache IoTDB (1.0.0)

## References

- [CNA](https://lists.apache.org/thread/fm8cpvzbox2qqy99ztglm8wkk1nrg9ng)
- [CVE](http://www.openwall.com/lists/oss-security/2026/07/10/5)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.60%
- **EPSS Percentile:** 46.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._