What is CVE-2026-62390?

CVE-2026-62390 is a critical-severity vulnerability in Apache Kylin, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-07-14.

How severe is CVE-2026-62390?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SQL Injection in Apache Kylin

CVE-2026-62390

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Apache Kylin. A backend API refreshing table catalog may cause the injection to the generated SQL. This issue affects Apache Kylin: from 4 through 5.0.3. Users are recommended to upgrade to version 5.0.4, which fixes the issue.

Vulnerability class: SQL Injection

Published 2026-07-14 · last modified 2026-07-14.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.7th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Apache Kylin
Apache Software Foundation Kylin — versions 4

Weakness classification (CWE)

CWE-89 — SQL Injection

References

lists.apache.org/thread/zdrj93txvdjj07f88s43d2pcg2gomvjc (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-62390?: CVE-2026-62390 is a critical-severity vulnerability in Apache Kylin, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-07-14.
How severe is CVE-2026-62390?: Critical severity. CVSS v3 base score is 9.8 out of 10.