CVE-2026-92198 in Foglight for Databases
Summary
by MITRE • 11/04/2026
Quest Foglight for Databases getSource XML External Entity Processing Information Disclosure Vulnerability. This vulnerability allows remote attackers to initiate arbitrary server-side requests on affected installations of Quest Foglight for Databases. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the getSource method. Due to the improper restriction of XML External Entity (XXE) references, a crafted document specifying a URI causes the XML parser to access the URI and embed the contents back into the XML document for further processing. An attacker can leverage this vulnerability to disclose information in the context of the application. Was ZDI-CAN-29934.
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Analysis
by VulDB Data Team • 11/04/2026
The identified security flaw resides within Quest Foglight for Databases, specifically affecting the getSource method which handles incoming XML data. This component is susceptible to an XML External Entity processing vulnerability that permits remote attackers to initiate arbitrary server-side requests without requiring prior authentication. The core technical deficiency lies in the improper restriction of external entity references during the parsing process. When a maliciously crafted document containing specific Uniform Resource Identifiers is submitted, the underlying XML parser fails to validate or sanitize these inputs adequately. Consequently, the parser resolves the external entities and embeds their contents directly back into the processing stream for further handling by the application logic.
This behavior creates a significant information disclosure risk because it allows an attacker to force the server to fetch resources from arbitrary locations on the network or local file system. By manipulating the URI within the XML payload, an adversary can cause the application to read sensitive files such as configuration data, source code, or internal credentials and return them in the response body. This mechanism effectively bypasses standard access controls since no authentication is required to trigger the exploit. The vulnerability aligns with Common Weakness Enumeration identifier CWE-611, which describes Improper Restriction of XML External Entity Reference, a category of flaws where parsers are configured to resolve external entities that can lead to unauthorized data exposure or server-side request forgery scenarios.
From an operational perspective, this flaw enables attackers to perform reconnaissance and gather intelligence about the target environment with minimal effort. The lack of authentication requirements makes it particularly dangerous in production environments where Foglight agents might be exposed to untrusted networks or compromised internal segments. Attackers can leverage this capability to map out internal network structures by probing for specific files that exist only on certain servers, thereby facilitating further lateral movement within the infrastructure. This activity corresponds to techniques found in the MITRE ATT&CK framework related to Collection and Exfiltration via Local File Input, specifically involving server-side request forgery patterns where external entities are used to retrieve local resources.
To mitigate this vulnerability, organizations must apply the official patches provided by Quest Software as soon as possible. In addition to patching, it is critical to implement network-level controls such as firewalls or web application firewalls that can detect and block malformed XML requests containing suspicious entity definitions. Input validation should be enforced at all entry points to ensure that only expected data formats are processed. Furthermore, developers should configure the XML parser to explicitly disable external entity resolution if dynamic content loading is not a required feature of the specific module being used. Regular security assessments and penetration testing focused on XXE vectors will help identify similar weaknesses in other components of the management suite before they can be exploited by malicious actors seeking to compromise database monitoring infrastructure.