Apache Kylin: OS Command Injection via Async Query API

published 2026-07-14 3 mo ago modified 2026-10-24 15 d ago also EUVD-2026-43664

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.5%; EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits: 0; none known

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Apache Kylin. A backend API may bring job config parameters to OS command line.

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.

Patch / fix

fixed in 1

apache kylin 5.0.4

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 3 mo ago (2026-07-14)

Exploit prediction

2.48% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Apache Software Foundation Apache Kylin

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

lists.apache.org /thread/9hof8lxo3mzshsh5r77mskzqlkns09gn
vendor-advisory, mailing-list
openwall.com /lists/oss-security/2026/07/14/5
mailing-list, third-party-advisory

Sources

CVE List CVE-2026-62392
NVD CVE-2026-62392

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary