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CVE-2026-12357— Heimdall Data Database Proxy generateFileContent CRLF Injection Remote Code Execution Vulnerability

Quick assessment

Affected
Heimdall Data Database Proxy
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.

Heimdall Data Database Proxy是美国Heimdall Data公司的一款数据库代理软件。 Heimdall Data Database Proxy 25.03.01.21版本存在输入验证错误漏洞，该漏洞源于generateFileContent函数对CRLF序列的中和不当，可能导致远程攻击者以root权限执行任意代码。

AI Predicted 9.1 Difficulty: Easy EPSS 1.09% · P63

Affected Version Matrix 1

VendorProduct Version RangeStatus
Heimdall Data Database Proxy 25.03.01.21 affected
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I. Basic Information for CVE-2026-12357

Vulnerability Information
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Vulnerability Title
Heimdall Data Database Proxy generateFileContent CRLF Injection Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Heimdall Data Database Proxy generateFileContent CRLF Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Heimdall Data Database Proxy. Authentication is required to exploit this vulnerability. The specific flaw exists within the generateFileContent function. The issue results from the lack of proper neutralization of CRLF sequences. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-29251.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对CRLF序列的转义处理不恰当(CRLF注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Heimdall Data Database Proxy 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Heimdall Data Database Proxy是美国Heimdall Data公司的一款数据库代理软件。 Heimdall Data Database Proxy 25.03.01.21版本存在输入验证错误漏洞，该漏洞源于generateFileContent函数对CRLF序列的中和不当，可能导致远程攻击者以root权限执行任意代码。
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
Heimdall Data Database Proxy 25.03.01.21 -

II. Public POCs for CVE-2026-12357

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III. Intelligence Information for CVE-2026-12357

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Vendor Advisories for CVE-2026-12357 (1)

IV. Related Vulnerabilities

Same product: Database Proxy
Same vendor: Heimdall Data
Same weakness: CWE-93

V. Comments for CVE-2026-12357

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