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CVE-2026-108743— Apache Kylin: spark job OS command injection

Quick assessment

Affected
Apache Software Foundation Apache Kylin
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Kylin 存在操作系统命令注入漏洞（即“用于操作系统命令的特殊元素未得到正确中和”）。该漏洞主要影响直接暴露于公共网络的 Kylin 服务，而此类部署并不常见；内部部署的 Kylin 环境通常不受影响。 受影响版本为：Apache Kylin 4.0.4 至 5.0.4（含）。 建议用户升级至已修复该问题的 5.0.5 版本。

AI Predicted 9.8 Difficulty: Easy

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Apache Software Foundation Apache Kylin 4.0.4≤ 5.0.4 affected
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I. Basic Information for CVE-2026-108743

Vulnerability Information
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Vulnerability Title
Apache Kylin: spark job OS command injection
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Apache Kylin. Impact most to the kylin services that are directly exposed to public network, which is not common. In-house kylin deployments are mostly not impacted. This issue affects Apache Kylin: from 4.0.4 through 5.0.4. Users are recommended to upgrade to version 5.0.5, which fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Kylin 4.0.4 ~ 5.0.4 -

II. Public POCs for CVE-2026-108743

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III. Intelligence Information for CVE-2026-108743

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Mailing List Discussions for CVE-2026-108743 (1)

Same Patch Batch · Apache Software Foundation · 2026-10-16 · 12 CVEs total

CVE-2026-108709 Apache Kylin: Unauthenticated Metadata Broadcast (inside in-house network)
CVE-2026-69080 Apache Kylin: Broken Access Control in QuerySQLBlacklistController
CVE-2026-69077 Apache Kylin: JobController allows unauthorized cross-project manipulation
CVE-2026-69076 Apache Kylin: Unauthorized cross-project job discard
CVE-2026-68573 Apache Kylin: Unauthenticated Metastore Cleanup
CVE-2026-68572 Apache Kylin: Unauthorized SQL execution to Spark SQL env
CVE-2026-68571 Apache Kylin: JDBC URL Whitelist Verification Bypass
CVE-2026-64959 Apache Kylin: Missing authentication on certain cache API endpoints
CVE-2026-64610 Apache Kylin: Redis unsafe Java deserialization
CVE-2026-63619 Apache Kylin: Missing authorization and path-confinement on system meta dump
CVE-2026-63618 Apache Kylin: Low-Privilege Config Exposure

IV. Related Vulnerabilities

Same product: Apache Kylin
Same vendor: Apache Software Foundation
Same weakness: CWE-78

V. Comments for CVE-2026-108743

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