CVE-2026-40008

CRITICAL 9.8CVE-2026-40008 · Published 10/07/2026 · updated 25/10/2026

In short

CVE-2026-40008 is a CRITICAL (CVSS 9.8) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.60%, higher than 48.6% 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

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.

References

lists.apache.org/thread/fm8cpvzbox2qqy99ztglm8wkk1nrg9ng
openwall.com/lists/oss-security/2026/07/10/5

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