CVE-2026-40005 Apache IoTDB: Path Traversal in Pipe File Transfer Receiver
An attacker can write arbitrary files to the server via path traversal in the pipe file transfer receiver, requiring an upgrade to Apache IoTDB.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-40005?
CVE-2026-40005 is a critical path traversal vulnerability in Apache IoTDB, published on 10 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Apache IoTDB. An attacker can write arbitrary files anywhere the IoTDB process has write permissions with unsafe API.
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.
Weakness: CWE-22
Which versions are affected by CVE-2026-40005?
How do I fix CVE-2026-40005?
No fix has been published for CVE-2026-40005 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-40005 being exploited?
There is no known exploitation of CVE-2026-40005 in the wild and no public exploit code.
Sources
Also known as GHSA-h3q7-wmrf-p69f.