CVE-2026-65181: Apache Impala: RCE via External Data Source Class Loading

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-09 · updated 2026-09-10
Weakness: CWE-913

Description

Insufficient authorization of Data Source tables in Impala 2.7-4.5 allows a client with privileges to upload a file to remote storage and create a table to execute arbitrary Java code. Users are recommended to upgrade to version 4.5.2, which fixes this issue.

Affected products

Apache Software Foundation Apache Impala: from 2.7.0 before 4.5.2 — fixed in 4.5.2

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Impala 4.5.2. Check the vendor advisory for mitigations.

References

https://lists.apache.org/thread/2ty3srsh96j86xxg4g1hbo5rwvszwcnl
http://www.openwall.com/lists/oss-security/2026/09/08/24

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