CVE-2026-40005

Critical

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.

SeverityCritical

CVSS9.1

Exploit probability—

ProductApache IoTDB

PublishedJul 10, 2026

First seenJul 10, 2026

Weakness typeCWE-22Path traversal

How to fix

Update

Apache Software Foundation Apache IoTDB2.0.10 or later

Vendor advisories

lists.apache.org/thread/zw2vkbmy5xkf5y8g237v81hrs4c6b5lq

Affected products

Product	Affected versions	Fixed in
Apache Software Foundation Apache IoTDB	1.0.0 ≤ v < 2.0.10	2.0.10

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