CVE-2026-44630

High

Description

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.

SeverityHigh

CVSS7.5

Exploit probability—

ProductApache IoTDB

PublishedAug 10, 2026

First seenAug 10, 2026

Weakness typeCWE-789CWE-789 CWE-400Uncontrolled resource consumption

How to fix

Update

Apache Software Foundation Apache IoTDB1.3.8, 2.0.10 or later

Vendor advisories

lists.apache.org/thread/tfsgd9whbq79lgjvdzj44hw0fhsofly8

Affected products

Product	Affected versions	Fixed in
Apache Software Foundation Apache IoTDB	v < 1.3.8, 2.0.0 ≤ v < 2.0.10	1.3.8, 2.0.10

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.