Vulnerability · Published Jul 29, 2026 · Assigned by zdi

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

High 7.2

In plain English

A high-severity security flaw in Database Proxy from Heimdall Data. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities).

Severity (CVSS 3.0)7.2High

Exploit odds (30 days)1.1%top 34.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Heimdall Data	Database Proxy	25.03.01.21

Weakness: CWE-93 · Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

ZDI-26-447 x_research-advisory