CVE-2026-40452

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Apache Software FoundationApache IoTDB1.3.5 < 1.3.8affected
Apache Software FoundationApache IoTDB2.0.5 < 2.0.10affected

Weaknesses

  • CWE-863: CWE-863 Incorrect Authorization
  • CWE-284: CWE-284 Improper Access Control

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References