CVE-2026-40005

CRITICAL 9.1CVE-2026-40005 · Published 10/07/2026 · updated 25/10/2026

In short

CVE-2026-40005 is a CRITICAL (CVSS 9.1) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.54%, higher than 45.2% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

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.

References

lists.apache.org/thread/zw2vkbmy5xkf5y8g237v81hrs4c6b5lq
openwall.com/lists/oss-security/2026/07/10/2

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