CVE-2026-12357: Heimdall Data Database Proxy

High severity, CVSS 7.2. EPSS: 1.1% chance of exploitation in the next 30 days.

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.

Affected products

Published 2026-07-29. Last modified 2026-07-30.