CVE-2026-44630: Apache Software Foundation Apache Iotdb

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

Improper validation of length fields in the Apache IoTDB RPC service may allow a remote unauthenticated attacker to cause a denial of service. By sending a crafted malformed Thrift frame, an attacker can cause IoTDB to allocate an excessive amount of memory and crash with an OutOfMemoryError. This issue affects Apache IoTDB: before 1.3.8, from 2.0.0 before 2.0.9. Users are recommended to upgrade to version 2.0.10, which fixes the issue.

Affected products

• Apache Software Foundation Apache Iotdb: before 1.3.8 (fixed in 1.3.8); from 2.0.0, before 2.0.10 (fixed in 2.0.10)

Published 2026-08-10. Last modified 2026-08-12.