by Kastro
Paper/Archive/CVE-2026-40008

CVE-2026-40008

Apache Software Foundation Apache IoTDB — Apache IoTDB: Arbitrary Class Instantiation via Pipe Transfer RPC

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 48.6.486 × 209.7No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Apache IoTDB. The pipe processor reads a fully qualified Java class name and instantiates it using Class.forName().newInstance() without any validation or allowlisting. 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.

Affected

ProductAffectedFixed inSource
Apache IoTDB1.0.0 – < 2.0.102.0.10CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisorylists.apache.org/thread/fm8cpvzbox2qqy99ztglm8wkk1nrg9ngrefopenwall.com/lists/oss-security/2026/07/10/5