Path Traversal

Apache IoTDB is vulnerable to Path Traversal. The vulnerability is due to improper limitation of a pathname to a restricted directory, where the application fails to properly validate file path inputs and attackers can supply crafted path sequences to read or write files outside the intended...

Authorization Bypass

Apache IoTDB is vulnerable to Authorization Bypass. The vulnerability is due to insufficient authorization checks in the /rest/v2/fastLastQuery endpoint, allowing authenticated users to bypass access controls and retrieve last-value query results they are not authorized to access...

CVE-2026-44630

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. Thi...

CVE-2026-44630

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. Thi...

CVE-2026-44630 Apache IoTDB: RPC service denial of service via unchecked Thrift string length

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. Thi...

CVE-2026-44630 Apache IoTDB: RPC service denial of service via unchecked Thrift string length

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. Thi...

CVE-2026-44630

The Apache IoTDB RPC service is vulnerable to a denial of service (DoS) due to improper validation of length fields. A remote unauthenticated attacker can send a crafted malformed Thrift frame , forcing the system to allocate excessive memory and crash with an OutOfMemoryError . This issue affect...

CVE-2026-44630: Memory Allocation with Excessive Size Value

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. Thi...

PT-2026-69424

Name of the Vulnerable Software and Affected Versions Apache IoTDB versions prior to 1.3.8 Apache IoTDB versions 2.0.0 through 2.0.8 Description Improper validation of length fields in the RPC service allows a remote unauthenticated attacker to cause a denial of service. By sending a crafted...

Apache IoTDB authorization issue vulnerability (CNVD-2026-28234)

Apache IoTDB is an open-source IoT database developed by the Apache Foundation in the United States. Versions of Apache IoTDB from 1.3.3 to 2.0.8 contained an authorization vulnerability. This vulnerability stemmed from the lack of strict validation of the sessionId parameter by certain Thrift RP...

Insufficient Session Expiration

Overview org.apache.iotdb:iotdb-server is a data management system for time series data, which can provide users specific services, such as, data collection, storage and analysis. Affected versions of this package are vulnerable to Insufficient Session Expiration in the AuthorizationFilter of the...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in fastLastQuery of the /rest/v2/fastLastQuery endpoint. An attacker can access last-value data belonging to other users by sending crafted requests while authenticated, bypassing intended authorization controls...

Unsafe Reflection

Overview org.apache.iotdb:iotdb-server is a data management system for time series data, which can provide users specific services, such as, data collection, storage and analysis. Affected versions of this package are vulnerable to Unsafe Reflection in the pipe processor, which reads a fully...

Uncontrolled Recursion

Overview Affected versions of this package are vulnerable to Uncontrolled Recursion via the readLength function. An attacker can exhaust the receiver thread's JVM stack and cause a StackOverflowError by sending a stream of repeated E-language prefixes to the socket, resulting in unbounded...

Improper Privilege Management

Overview org.apache.iotdb:iotdb-server is a data management system for time series data, which can provide users specific services, such as, data collection, storage and analysis. Affected versions of this package are vulnerable to Improper Privilege Management in its user rename handling, which...

Improper Privilege Management

Overview Affected versions of this package are vulnerable to Improper Privilege Management in its user rename handling, which reserves the internalauditor username as a privileged internal account but does not prevent an ordinary user from renaming their own account to that name. A user with an...

CVE-2026-40452

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...

CVE-2026-40008

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:...

CVE-2026-40454

Out-of-bounds Read, Improper Input Validation vulnerability in Apache IoTDB C++ client. Out-of-bounds reads in IoTDB C++ client TsBlock deserializer crash client process on malformed server data. This issue affects Apache IoTDB C++ client: from 1.3.5 before 1.3.8, from 2.0.5 before 2.0.10. Users...

CVE-2026-40009

Improper Privilege Management, Improper Access Control vulnerability in Apache IoTDB. Authenticated users can escalate to full tree-path access by renaming themselves to internalauditor. This issue affects Apache IoTDB: from 2.0.8 before 2.0.10. Users are recommended to upgrade to version 2.0.10,...