What is CVE-2026-62393?

CVE-2026-62393 is a medium-severity vulnerability in Apache Kylin, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 4.3/10. Published 2026-07-14.

How severe is CVE-2026-62393?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Apache Kylin

CVE-2026-62393

Improper Handling of Insufficient Permissions or Privileges vulnerability in Apache Kylin. Improper authorization in job information retrieval, where an attacker may get access to unauthorized jobs in other projects. 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.

EPSS: 0.005 (37.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Apache Kylin
Apache Software Foundation Kylin — versions 4

Weakness classification (CWE)

CWE-280 — Improper Handling of Insufficient Permissions or Privileges

References

security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-62393?: CVE-2026-62393 is a medium-severity vulnerability in Apache Kylin, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 4.3/10. Published 2026-07-14.
How severe is CVE-2026-62393?: Medium severity. CVSS v3 base score is 4.3 out of 10.