CVE-2026-70410 Apache Calcite Avatica - Unsafe Reflection

Apache Calcite Avatica < 1.29.0 contains an unsafe reflection vulnerability caused by unrestricted calls to Class.forName(String) in plugin instantiation, letting attackers execute static initializers in arbitrary classes, exploit requires attacker to control class name input.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.64% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Unsafe Reflection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
22 September 2026
Updated
15 October 2026
Weakness
CWE-470

Vendor fix

Upgrade to version 1.29.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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