ZDI-26-447: 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 ZDI has assigned a CVSS rating of 7.2. The following CVEs are assigned: CVE-2026-12357.
AI Analysis
Technical Summary
CVE-2026-12357 is a critical remote code execution vulnerability in Heimdall Data Database Proxy. The flaw resides in the generateFileContent function where CRLF injection is possible due to insufficient input neutralization. An authenticated attacker can exploit this to execute arbitrary code as root on affected installations. The vulnerability was reported to the vendor on 2026-02-12 and publicly disclosed on 2026-07-23. The vendor fixed the issue in release build 25.03.01.24.
Potential Impact
Successful exploitation allows an authenticated remote attacker to execute arbitrary code with root privileges on the Heimdall Data Database Proxy, potentially leading to full system compromise.
Mitigation Recommendations
Upgrade Heimdall Data Database Proxy to version 25.03.01.24 or later, where this vulnerability is fixed. No other mitigations are indicated by the vendor advisory.
ZDI-26-447: Heimdall Data Database Proxy generateFileContent CRLF Injection Remote Code Execution Vulnerability
Description
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 ZDI has assigned a CVSS rating of 7.2. The following CVEs are assigned: CVE-2026-12357.
Affected software
pkg:github/heimdalldata/database-proxyRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-12357 is a critical remote code execution vulnerability in Heimdall Data Database Proxy. The flaw resides in the generateFileContent function where CRLF injection is possible due to insufficient input neutralization. An authenticated attacker can exploit this to execute arbitrary code as root on affected installations. The vulnerability was reported to the vendor on 2026-02-12 and publicly disclosed on 2026-07-23. The vendor fixed the issue in release build 25.03.01.24.
Potential Impact
Successful exploitation allows an authenticated remote attacker to execute arbitrary code with root privileges on the Heimdall Data Database Proxy, potentially leading to full system compromise.
Mitigation Recommendations
Upgrade Heimdall Data Database Proxy to version 25.03.01.24 or later, where this vulnerability is fixed. No other mitigations are indicated by the vendor advisory.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-447/","fetched":true,"fetchedAt":"2026-07-23T23:02:08.779Z","wordCount":179}
Threat ID: 6a629e189c2644c7f8de39a3
Added to database: 07/23/2026, 23:04:56 UTC
Last enriched: 07/23/2026, 23:05:37 UTC
Last updated: 07/24/2026, 02:31:43 UTC
Views: 8
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