CVE-2026-17561 in Logsign
Summary
by MITRE • 07/31/2026
Improper Control of Generation of Code ('Code Injection') vulnerability in Innotim Software, Telecommunications and Consulting Trade Ltd. Co. Logsign SIEM allows Code Injection.
This issue affects Logsign SIEM: before 6.4.108.
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Analysis
by VulDB Data Team • 07/31/2026
The improper control of generation of code vulnerability represents a critical security weakness that enables attackers to inject malicious code into applications through improperly validated input. This particular flaw exists within the Logsign SIEM platform developed by Innotim Software, Telecommunications and Consulting Trade Ltd. Co., affecting versions prior to 6.4.108. The vulnerability falls under the category of code injection attacks that exploit insufficient validation mechanisms in application code generation processes. When an attacker successfully exploits this weakness, they can execute arbitrary commands or code within the context of the affected system, potentially leading to complete system compromise.
The technical nature of this vulnerability stems from inadequate sanitization and validation of user-supplied input data that gets processed and executed within the SIEM environment. Attackers can manipulate input fields or parameters that are subsequently used to generate code or execute commands, bypassing normal security controls established by the application. This type of vulnerability is classified as CWE-94 under the Common Weakness Enumeration framework, which specifically addresses the improper control of code generation and execution. The weakness typically manifests when applications dynamically construct code or command strings based on user input without proper validation or escaping mechanisms.
The operational impact of this vulnerability extends beyond simple data compromise, as it provides attackers with potential access to sensitive security information and system resources within the SIEM environment. Since SIEM systems serve as central security monitoring platforms, successful exploitation could result in unauthorized access to security event logs, threat intelligence, and other critical operational data. The attack surface is particularly concerning because SIEM solutions often contain privileged access to network monitoring capabilities and security analytics that can be leveraged for further lateral movement within compromised networks.
Organizations utilizing affected versions of Logsign SIEM should immediately implement mitigations including applying the patched version 6.4.108 or higher, which addresses the code injection vulnerability through proper input validation mechanisms. Network segmentation and access controls should be enhanced to limit exposure of the SIEM system to untrusted networks. Additionally, implementing robust logging and monitoring for suspicious command execution patterns can help detect potential exploitation attempts. This vulnerability aligns with ATT&CK technique T1059 which covers command and scripting interpreter, and T1203 which involves exploitation for privilege escalation. Regular security assessments and input validation reviews should be conducted to prevent similar weaknesses in other application components.
The remediation process requires careful verification of all user input handling mechanisms within the SIEM platform, particularly those involving dynamic code generation or command execution functions. Application developers should implement proper parameterized queries, input sanitization, and output encoding to prevent malicious code injection. Security teams should also establish incident response procedures specifically addressing code injection vulnerabilities in security monitoring systems to ensure rapid detection and containment of potential exploitation attempts.