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CVE-2026-9437— DTStack Taier REST API Runtime.exec os command injection

Quick assessment

Affected
DTStack Taier
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.

Taier是袋鼠云（DTStack）开源的一个分布式调度系统。旨在降低 ETL 的成本，明确任务之间的复杂依赖关系，并降低提交、调度和运维方面的劳动力成本。 Taier 1.4.0版本存在操作系统命令注入漏洞，该漏洞源于REST API组件Runtime.exec函数对参数sqlText的操作，可能导致OS命令注入。攻击者可远程发起攻击。

CVSS 6.3 · Medium EPSS 1.36% · P70

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
DTStack Taier 1.4.0 affected
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I. Basic Information for CVE-2026-9437

Vulnerability Information
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Vulnerability Title
DTStack Taier REST API Runtime.exec os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in DTStack Taier 1.4.0. This affects the function Runtime.exec of the component REST API. The manipulation of the argument sqlText leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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
Vulnerability Title
Taier 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Taier是袋鼠云（DTStack）开源的一个分布式调度系统。旨在降低 ETL 的成本，明确任务之间的复杂依赖关系，并降低提交、调度和运维方面的劳动力成本。 Taier 1.4.0版本存在操作系统命令注入漏洞，该漏洞源于REST API组件Runtime.exec函数对参数sqlText的操作，可能导致OS命令注入。攻击者可远程发起攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
DTStack Taier 1.4.0 cpe:2.3:a:dtstack:taier:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-9437

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III. Intelligence Information for CVE-2026-9437

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Other References for CVE-2026-9437 (1)

IV. Related Vulnerabilities

Same product: Taier
Same vendor: DTStack
Same weakness: CWE-78

V. Comments for CVE-2026-9437

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