Unsafe reflection in Apache IoTDB - CVE-2026-40008
Published: August 24, 2026
Vulnerability identifier: #VU144727
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-40008
CWE-ID: CWE-470
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to instantiate arbitrary classes.
The vulnerability exists due to use of externally-controlled input to select classes or code in the pipe transfer RPC pipe processor when processing a fully qualified Java class name. A remote attacker can send a specially crafted class name to instantiate arbitrary classes.
Affected software
Apache IoTDB
How to mitigate CVE-2026-40008
Install security update from vendor's website.
Apache IoTDB - update to 2.0.10