CVE Feed

    Dashboard / CVE / CVE-2026-40452

    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 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.

    Published:Jul 10, 2026
    Last Modified:Jul 10, 2026
    EPS:Jul 10, 2026
    EPSS Score:0.0014
    CVSS Score:7.5

    Affected Products

    Vendor
    Apache
    Product
    Iotdb

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-44630 (CVSS 7.5) — Improper validation of length fields in the Apache IoTDB RPC service may allow a remote unauthenticated attack…
    CVE-2026-40009 (CVSS 6.5) — Improper Privilege Management, Improper Access Control vulnerability in Apache IoTDB. Authenticated users can …
    CVE-2026-40008 (CVSS 9.8) — Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache IoT…
    CVE-2026-40007 (CVSS 7.5) — Uncontrolled Recursion, Uncontrolled Resource Consumption vulnerability in Apache IoTDB. When pipe_air_gap_rec…
    CVE-2026-40006 (CVSS 7.5) — Memory Allocation with Excessive Size Value, Allocation of Resources Without Limits or Throttling, Missing Aut…
    CVE-2026-40005 (CVSS 9.1) — Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Apache IoTDB. …
    CVE-2026-28564 (CVSS 9.8) — Insufficient Session Expiration, Authentication Bypass by Capture-replay vulnerability in Apache IoTDB. REST B…
    CVE-2026-24013 (CVSS 9.1) — Authentication Bypass by Spoofing vulnerability in Apache IoTDB. Certain Thrift RPC query handlers lack strict…
    CVE-2026-24012 (CVSS 7.5) — Uncontrolled Resource Consumption vulnerability in Apache IoTDB.  Some interface fails to impose reasonable l…
    CVE-2026-24014 (CVSS 9.8) — Apache IoTDB DataNode’s internal RPC interface for creating Trigger instances uses the uploaded Trigger JAR na…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High