Apache IoTDB up to 2.0.9 Pipe Processor Class.forName externally-controlled input to select classes or code

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k1.21+

Summaryinfo

A vulnerability was found in Apache IoTDB up to 2.0.9. It has been classified as critical. Affected is the function Class.forName of the component Pipe Processor. This manipulation causes use of externally-controlled input to select classes or code. This vulnerability is handled as CVE-2026-40008. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Apache IoTDB up to 2.0.9. It has been declared as critical. Affected by this vulnerability is the function Class.forName of the component Pipe Processor. The manipulation with an unknown input leads to a use of externally-controlled input to select classes or code vulnerability. The CWE definition for the vulnerability is CWE-470. The product uses external input with reflection to select which classes or code to use, but it does not sufficiently prevent the input from selecting improper classes or code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache IoTDB. The pipe processor reads a fully qualified Java class name and instantiates it using Class.forName().newInstance() without any validation or allowlisting. 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.

It is possible to read the advisory at lists.apache.org. This vulnerability is known as CVE-2026-40008 since 04/08/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/10/2026).

Upgrading to version 2.0.10 eliminates this vulnerability.

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Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use of externally-controlled input to select classes or code
CWE: CWE-470
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Upgrade: IoTDB 2.0.10

Timelineinfo

04/08/2026 CVE reserved
07/10/2026 +93 days Advisory disclosed
07/10/2026 +0 days VulDB entry created
07/10/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: apache.org

Advisory: lists.apache.org
Status: Confirmed

CVE: CVE-2026-40008 (🔒)
GCVE (CVE): GCVE-0-2026-40008
GCVE (VulDB): GCVE-100-377431

Entryinfo

Created: 07/10/2026 10:16
Changes: 07/10/2026 10:16 (54)
Complete: 🔍
Cache ID: 216::103

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