OS Command Injection Vulnerability in DTStack Taier REST API
CVE-2026-9437

5.3MEDIUM

Key Information:

Vendor

Dtstack

Status
Taier
Vendor
CVE Published:
25 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9437?

A vulnerability has been identified in the DTStack Taier version 1.4.0, specifically within the REST API's Runtime.exec function. An attacker can exploit this vulnerability by manipulating the sqlText argument, allowing for remote OS command injection. The exploit has been publicly disclosed, raising concerns for organizations utilizing this software. The vendor has been made aware of the issue but has not provided a response. It is crucial for affected users to implement security measures to safeguard against potential exploits.

Affected Version(s)

Taier 1.4.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-9437 - Proof of Concept

References

https://vuldb.com/vuln/365418
vdb-entrytechnical-description
https://vuldb.com/vuln/365418/cti
signaturepermissions-required
https://vuldb.com/submit/813941
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

fakebug (VulDB User)
VulDB CNA Team
.