CVE-2026-40452: Incorrect Authorization, Improper Access Control vulnerability in Apache IoTDB. Authorization bypass in /rest/v2/fastLastQuery exposes last-value data to unauthorized authenticated
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.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-40452
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-404520.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-40452 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Incorrect Authorization
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownCVE-2026-13238: Incorrect Authorization vulnerability in Drupal Commerce Realex / Global Payments allows Force…nvd · 2026-07-10
- unknownCVE-2026-13237: Incorrect Authorization vulnerability in Drupal AI Agents allows Forceful Browsing. This issue…nvd · 2026-07-10
- unknownCVE-2026-13232: Incorrect Authorization vulnerability in Drupal Advanced Content Feedback (aka admin_feedback)…nvd · 2026-07-10
- mediumCVE-2026-5069: The Fluent Forms plugin for WordPress is vulnerable to incorrect authorization via the 'subscri…nvd · 2026-07-10
- lowCVE-2026-8800: Incorrect Authorization vulnerability in Progress MOVEit Transfer (Audit User module). This iss…nvd · 2026-07-08
- criticalCVE-2026-56843: Incorrect authorization in the XML-RPC API of WebPros Plesk before 18.0.78.4 allows a low-priv…nvd · 2026-07-08
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