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CVE-2026-40006 Detail

Description

Memory Allocation with Excessive Size Value, Allocation of Resources Without Limits or Throttling, Missing Authentication for Critical Function vulnerability in Apache IoTDB. When pipe_air_gap_receiver_enabled=true, the IoTDB AirGap pipe receiver accepts raw TCP connections on port 9780 with no authentication. The readLength method reads an attacker-controlled 32-bit integer from the socket and readData passes it directly to new byte[length] with no upper-bound check. An unauthenticated attacker can cause the JVM to attempt an allocation of up to 2,147,483,647 bytes per connection, exhausting heap memory and crashing or severely degrading the DataNode process. This issue affects Apache IoTDB: from 1.0.0 before 2.0.10. Users are recommended to upgrade to version 2.0.10, which fixes the issue.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
Apache Software Foundation

Weakness Enumeration

CWE-ID CWE Name Source
CWE-306 Missing Authentication for Critical Function Apache Software Foundation  
CWE-770 Allocation of Resources Without Limits or Throttling Apache Software Foundation  
CWE-789 Memory Allocation with Excessive Size Value Apache Software Foundation  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-40006
NVD Published Date:
07/10/2026
NVD Last Modified:
07/10/2026
Source:
Apache Software Foundation