CVE-2026-118792 in Wingesfar
Summary
by MITRE • 11/09/2026
Default credentials permit access through AcuXDBC.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 11/09/2026
The vulnerability involving default credentials in the AcuXDBC component represents a critical configuration weakness that allows unauthorized actors to gain initial access to affected systems. This flaw stems from the deployment of software with factory-set or widely known authentication parameters left unchanged during installation or initialization phases. In enterprise environments, database connectivity components like AcuXDBC are often configured by system administrators who may rely on default settings for rapid prototyping or testing purposes without realizing that these credentials remain active in production deployments. The presence of such predictable access points effectively bypasses the primary layer of defense intended to protect sensitive data and backend infrastructure from external threats.
From a technical perspective, this issue falls under the category of CWE-798: Use of Hard-coded Credentials, which is classified as a high-severity weakness in software security standards. The vulnerability exploits the assumption that default passwords are either disabled or changed before deployment, but when they remain intact, any entity with network connectivity to the service can authenticate using these known values. This bypasses complex authentication mechanisms and allows attackers to establish sessions without needing to perform brute-force attacks or exploit additional logic flaws in the password validation process. The simplicity of this attack vector makes it particularly dangerous as it requires minimal technical sophistication yet yields significant access privileges depending on the permissions assigned to the default account.
The operational impact of this vulnerability is severe, potentially leading to full system compromise if the database service runs with elevated privileges or has broad network reach. Attackers can use these credentials to exfiltrate sensitive data, modify critical records, inject malicious code into databases, or pivot further into internal networks by leveraging trusted connections between systems. Since AcuXDBC facilitates communication between applications and IBM Informix databases, compromising this interface grants attackers direct access to the underlying database engine where business-critical information resides. This can result in significant financial loss, regulatory non-compliance due to data breaches involving personally identifiable information or protected health information, and reputational damage for the affected organization.
In terms of threat modeling, this vulnerability aligns with ATT&CK technique T1078: Valid Accounts, specifically within the context of Default Accounts sub-technique. Adversaries frequently scan public-facing services and internal network segments for systems running outdated or misconfigured software that retains default login parameters. Once access is gained through these credentials, attackers may proceed to lateral movement, privilege escalation, and persistence establishment phases of an intrusion lifecycle. The ease of exploitation means this vector is commonly observed in automated scanning campaigns targeting large-scale infrastructure where configuration management processes are inconsistent or poorly enforced across multiple servers and environments.
Mitigation strategies must focus on immediate remediation through credential rotation and long-term prevention via strict configuration standards. Organizations should immediately change all default passwords to strong, unique values that meet complexity requirements and avoid dictionary words or common patterns. It is essential to disable any unused accounts associated with the AcuXDBC service if they are not required for legitimate operations. Additionally, implementing network segmentation can limit exposure by restricting access to database interfaces only from authorized application servers rather than allowing broad connectivity across the enterprise network. Regular audits of default configurations and automated compliance checks against security baselines such as CIS Benchmarks will help prevent recurrence by ensuring that deployment pipelines enforce secure configuration practices before software reaches production environments.