CVE-2026-40452 PUBLISHED

Apache IoTDB: Authorization bypass in /rest/v2/fastLastQuery exposes last-value data to unauthorized authenticated users

Assigner: apache
Reserved: 13.04.2026 Published: 10.07.2026 Updated: 10.07.2026

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.

Product Status

Vendor Apache Software Foundation
Product Apache IoTDB
Versions Default: unaffected
  • affected from 1.3.5 to 1.3.8 (excl.)
  • affected from 2.0.5 to 2.0.10 (excl.)

Credits

  • bugbunny.ai finder

References

Problem Types

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