CVE-2026-40452

HIGH

Apache IoTDB: Authorization bypass in /rest/v2/fastLastQuery exposes last-value data to unauthorized authenticated users

Title source: cna
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0026
EPSS Percentile 17.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-284 CWE-863
Status published
Products (2)
Apache Software Foundation/Apache IoTDB 1.3.5 - 1.3.8
Apache Software Foundation/Apache IoTDB 2.0.5 - 2.0.10
Published Jul 10, 2026
Tracked Since Jul 10, 2026