Apache IoTDB: Authorization bypass in /rest/v2/fastLastQuery exposes last-value data to unauthorized authenticated users
Summary
| CVE | CVE-2026-40452 |
|---|---|
| State | PUBLISHED |
| Assigner | apache |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-07-10 08:16:22 UTC |
| Updated | 2026-07-10 16:16:30 UTC |
| 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. |
Risk And Classification
Problem Types: CWE-284 | CWE-863 | CWE-863 CWE-863 Incorrect Authorization | CWE-284 CWE-284 Improper Access Control
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Apache Software Foundation | Apache IoTDB | affected 1.3.5 1.3.8 semver | Not specified |
| CNA | Apache Software Foundation | Apache IoTDB | affected 2.0.5 2.0.10 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| lists.apache.org/thread/04j2l6dosyboor4o2gvrzbrcrpllmh95 | [email protected] | lists.apache.org | |
| www.openwall.com/lists/oss-security/2026/07/10/7 | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: bugbunny.ai (en)
There are currently no legacy QID mappings associated with this CVE.