high7.5
CVE-2026-40452
Incorrect Authorization, Improper Access Control vulnerability in Apache IoTDB.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apache | Apache IoTDB: From 1.3.5 | before 1.3.8 |
| From 2.0.5 | before 2.0.10. |
Versions were read from the advisory text. No structured product data has been published for this record yet.