CVE-2025-48459 Apache IoTDB: Deserialization of untrusted Data

What is CVE-2025-48459?

CVE-2025-48459 is a medium-severity unsafe deserialization vulnerability in Apache IoTDB, published on 24 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Deserialization of Untrusted Data vulnerability in Apache IoTDB.

This issue affects Apache IoTDB: from 1.0.0 before 2.0.5.

Users are recommended to upgrade to version 2.0.5, which fixes the issue.

Weakness: CWE-502

Which versions are affected by CVE-2025-48459?

5 open source packages ship an affected version, including apache-iotdb and org.apache.iotdb:iotdb-confignode. It affects 1 product.

Products include Apache Iotdb.

How do I fix CVE-2025-48459?

Upgrade apache-iotdb to 2.0.5 or later.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2025-48459 being exploited?

There is no known exploitation of CVE-2025-48459 in the wild and no public exploit code.

Other vulnerabilities in Apache IoTDB

• CVE-2026-24014 Apache IoTDB: Path Traversal in DataNode Internal RPC Trigger JAR Upload Allows Arbitrary File Write Critical 9.8
• CVE-2026-24015 Apache IoTDB: Insecure Default Configuration Vulnerability Critical 9.8
• CVE-2026-24713 Apache IoTDB: JEXL Expression Injection Vulnerability Critical 9.8
• CVE-2024-24780 Apache IoTDB: Remote Code Execution with untrusted URI of User-defined function Critical 9.8
• CVE-2023-46226 Apache IoTDB: Remote Code Execution (RCE) risk via the UDF Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-776q-jw43-fhjx, PYSEC-2025-88.