CVE-2026-40008

EUVD-2026-42836
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.
Unsafe Reflection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
apacheCNA
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 16%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
apacheiotdb
1.0.0 ≤
𝑥
< 2.0.10
CNA
Common Weakness Enumeration
References
https://lists.apache.org/thread/fm8cpvzbox2qqy99ztglm8wkk1nrg9ng
http://www.openwall.com/lists/oss-security/2026/07/10/5