Security Advisory
CVE-2026-40452
7.5
HIGH
Vulnerability Description
Incorrect Authorization, Improper Access Control vulnerability in Apache IoTDB.
Authorization bypass in /rest/v2/fastLastQuery exposes last-value data to unauthorized authenticated users.
This issue affects Apache IoTDB: from 1.3.5 before 1.3.8, from 2.0.5 before 2.0.10.
Users are recommended to upgrade to version 2.0.10, which fixes the issue.
Published Date
July 10, 2026
Official Source
NIST NVD Advisory