CVE-2020-13926

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-07-14 · updated 2026-06-17
Weakness: CWE-89

Description

Kylin concatenates and executes a Hive SQL in Hive CLI or beeline when building a new segment; some part of the HQL is from system configurations, while the configuration can be overwritten by certain rest api, which makes SQL injection attack is possible. Users of all previous versions after 2.0 should upgrade to 3.1.0.

Affected products

Apache Software Foundation Apache Kylin: from 2.0.0 before 3.1.0 — fixed in 3.1.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Kylin 3.1.0. Check the vendor advisory for mitigations.

References

https://lists.apache.org/thread.html/r021baf9d8d4ae41e8c8332c167c4fa96c91b5086563d9be55d2d7acf%40%3Ccommits.kylin.apache.org%3E
https://lists.apache.org/thread.html/r63d5663169e866d44ff9250796193337cff7d9cf61cc3839e86163fd%40%3Cuser.kylin.apache.org%3E
https://lists.apache.org/thread.html/r021baf9d8d4ae41e8c8332c167c4fa96c91b5086563d9be55d2d7acf%40%3Ccommits.kylin.apache.org%3E
https://lists.apache.org/thread.html/r63d5663169e866d44ff9250796193337cff7d9cf61cc3839e86163fd%40%3Cuser.kylin.apache.org%3E

Get alerted when CVE-2020-13926 or the next vulnerability affects your stack