CVE-2026-40452: CWE-863 Incorrect Authorization in Apache Software Foundation Apache IoTDB
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.
AI Analysis
Technical Summary
This vulnerability in Apache IoTDB involves improper access control (CWE-863) allowing authorization bypass on the REST API endpoint /rest/v2/fastLastQuery. Unauthorized authenticated users can access last-value data they should not be permitted to see. The affected versions are 1.3.5 through 1.3.7 and 2.0.5 through 2.0.9. The vendor recommends upgrading to version 2.0.10 to remediate the issue.
Potential Impact
The vulnerability allows unauthorized authenticated users to bypass authorization controls and access sensitive last-value data via the affected REST endpoint. This results in a confidentiality breach (high impact on confidentiality) without affecting integrity or availability.
Mitigation Recommendations
Users should upgrade Apache IoTDB to version 2.0.10 or later, where this authorization bypass vulnerability is fixed. Patch status is confirmed by the vendor recommendation to upgrade to 2.0.10. No other specific mitigations are indicated.
CVE-2026-40452: CWE-863 Incorrect Authorization in Apache Software Foundation Apache IoTDB
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.
CVSS v3.1
Score 7.5high
Affected software
pkg:maven/org.apache.iotdb/iotdbRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Apache IoTDB involves improper access control (CWE-863) allowing authorization bypass on the REST API endpoint /rest/v2/fastLastQuery. Unauthorized authenticated users can access last-value data they should not be permitted to see. The affected versions are 1.3.5 through 1.3.7 and 2.0.5 through 2.0.9. The vendor recommends upgrading to version 2.0.10 to remediate the issue.
Potential Impact
The vulnerability allows unauthorized authenticated users to bypass authorization controls and access sensitive last-value data via the affected REST endpoint. This results in a confidentiality breach (high impact on confidentiality) without affecting integrity or availability.
Mitigation Recommendations
Users should upgrade Apache IoTDB to version 2.0.10 or later, where this authorization bypass vulnerability is fixed. Patch status is confirmed by the vendor recommendation to upgrade to 2.0.10. No other specific mitigations are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-04-13T07:33:02.319Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a50a3b368715ace433bd390
Added to database: 07/10/2026, 07:48:03 UTC
Last enriched: 07/17/2026, 09:44:43 UTC
Last updated: 08/24/2026, 10:52:09 UTC
Views: 104
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