Path traversal in Apache IoTDB - CVE-2026-40005
Published: August 24, 2026
Vulnerability identifier: #VU144723
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-40005
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to write arbitrary files.
The vulnerability exists due to path traversal in pipe file transfer receiver when handling file transfer requests. A remote attacker can use an unsafe API with a crafted pathname to write arbitrary files.
Affected software
Apache IoTDB
How to mitigate CVE-2026-40005
Install security update from vendor's website.
Apache IoTDB - update to 2.0.10