CVE-2026-62393: kylin — Fix

Description

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.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploit Prediction

0.0046

Probability of exploitation

0.37%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-280 CWE-280

Affected Products

Vendor	Product	Versions
apache	kylin	4.0.0 — 5.0.4

References

Advisories & Patches

https://lists.apache.org/thread/xg8dcyjw0nkq5y8dhq3r25x3rxc62x9j

Other References

http://www.openwall.com/lists/oss-security/2026/07/14/6

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-62393? +

CVE-2026-62393 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0046, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-62393? +

CVE-2026-62393 affects products from apache, specifically: kylin. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-62393? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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