CVE-2026-40452 Details
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.
A vulnerability allowing authorization bypass and improper access control has been identified in Apache IoTDB versions 1.3.5 prior to 1.3.8 and 2.0.5 prior to 2.0.10. This vulnerability allows unauthorized authenticated users to access last-value data through the /rest/v2/fastLastQuery endpoint.
Users are advised to upgrade to Apache IoTDB version 2.0.10, which addresses this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jul 10, 2026CISA-ADP
Assessed Jul 10, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2026/07/10/7 | CVE | |
| https://lists.apache.org/thread/04j2l6dosyboor4o2gvrzbrcrpllmh95 | [email protected] | AdvisoryMailing ListRemedyVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-284 | Improper Access Control | [email protected] |
| CWE-863 | Incorrect Authorization | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Apache IoTDB | >= 1.3.5, < 1.3.8 (semver) >= 2.0.5, < 2.0.10 (semver) |
CPE
Remediation
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Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 10, 2026 | CVE Modified | CISA-ADP |
| Jul 10, 2026 | CVE Modified | CVE |
| Jul 10, 2026 | New CVE Received | [email protected] |