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Foglight for Databases CVE-2026-92185

HIGH
Improper Restriction of XML External Entity Reference (CWE-611)
2026-11-04 zdi-disclosures@trendmicro.com
7.2
CVSS 3.0 · Vendor: trendmicro
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Reach exposed XML-processing endpoint
  2. Delivery
    Submit crafted XML with external entity
  3. Exploit
    Trigger XXE in AbstractParser
  4. Execution
    Parser resolves attacker-supplied URI
  5. Impact
    Disclose referenced contents as SYSTEM

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A02:2025 - Security Misconfiguration
ASVS 5.0
V13 - Configuration XML external entity prevention
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Collection

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires the attacker to deliver a crafted XML document - one declaring an external entity that points to an attacker-chosen URI - to the component backed by the AbstractParser class, which then resolves the URI and embeds its contents during processing. Per the CVSS vector (PR:N/UI:N) and the description, no authentication and no user interaction are required, so default exposure of the XML-accepting interface is the only real prerequisite. The exact endpoint, SAPI, or feature that routes input to AbstractParser is not described in the available sources, so which interfaces are reachable in a given deployment is unverified. Limiting factors: impact is rated Low confidentiality (C:L), implying partial or constrained rather than full file disclosure, and the affected network service must be reachable by the attacker.

Impact

This is a genuine but mid-tier priority rather than an emergency. The CVSS 3.0 base score of 7.2 (High) rests on a favorable attacker profile - AV:N/AC:L/PR:N/UI:N means remote, low-complexity, unauthenticated exploitation with no user interaction, and the description independently confirms 'Authentication is not required.' The scope change (S:C) plus execution 'in the context of SYSTEM' is what elevates the score, yet the confidentiality impact is only Low (C:L) with no integrity impact (I:N) and only Low availability (A:L), indicating limited or partial data disclosure rather than full arbitrary file read - consistent with a constrained or blind XXE. The vuln.today decision label is 'this_week,' i.e. patch within the normal cycle, not act_now/emergency. Key corroborating signals are MISSING: no EPSS probability was supplied, there is no CISA KEV listing, and no confirmed public exploit is indicated - the sole reference is the ZDI coordinator advisory, not working exploit code. Net: credible unauthenticated remote XXE from a reputable reporter (Trend Micro ZDI), but constrained impact and absence of exploitation telemetry place it below act-now severity. No conflicting signals in the data, though the limited C:L rating versus 'SYSTEM context' wording is worth confirming against the vendor advisory for the actual scope of readable data.

Exploit ScenarioDerived

A remote, unauthenticated attacker submits a crafted XML document containing an external entity that references an attacker-chosen URI to an endpoint handled by Foglight's AbstractParser. The parser resolves and embeds the referenced resource back into the document during processing, letting the attacker read sensitive content in the context of the SYSTEM account. No authentication or user interaction is needed; no verified public exploit code is identified at time of analysis.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet

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AnalysisAIv1 – Nov 04, 2026

Information disclosure in Quest Foglight for Databases can occur when a crafted XML document containing an external entity is processed by the AbstractParser class, causing the parser to resolve an attacker-chosen URI and embed the retrieved content into the XML document. The CVSS vector indicates network reachability with no authentication and no user interaction, although confidentiality impact is rated Low, suggesting constrained rather than full file disclosure. No CISA KEV entry is present, and no public exploit identified at time of analysis; the available data provides only the ZDI advisory ZDI-26-862, and overall this is a genuine but mid-tier priority rather than an emergency.

RemediationAI

No vendor-released patch or fixed version is identified in the supplied data, so remediation currently depends on monitoring the ZDI advisory at https://www.zerodayinitiative.com/advisories/ZDI-26-862/ and applying a Quest fix when released. The available sources do not identify the endpoint or configuration setting that routes input to AbstractParser, so they do not support a verified targeted workaround; restricting reachability to Foglight's XML-facing interfaces is an exposure-reduction option but may break integrations and cannot be scoped precisely without identifying that interface.

Affected ProductsAI

The affected product is Quest Foglight for Databases, specifically installations that process XML through the AbstractParser class. The supplied intelligence does not provide affected or fixed version ranges and includes no CPE strings, so version-level scoping cannot be confirmed from the available data. The sole reference is the ZDI advisory at https://www.zerodayinitiative.com/advisories/ZDI-26-862/.

Affects your stack

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Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The flaw is CWE-611, improper restriction of XML external entity references, in the AbstractParser class used by Quest Foglight for Databases. XML documents can declare external entities whose system identifiers are URIs; when the parser processes such a document without disabling external entity resolution, it can fetch the referenced URI and substitute the response into the parsed content, exposing local files or reachable internal resources to the attacker. The supplied CVSS vector (AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L) confirms a network-reachable, unauthenticated path with no user interaction and a scope change, but the confidentiality rating is Low and the exact endpoint, API, or feature that routes input to AbstractParser is not described in the available sources, so which interfaces are reachable in a given deployment is unverified. No CPE strings or version ranges were included in the supplied intelligence.

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Severity by source

Vendor (trendmicro) PRIMARY 7.2 HIGH
AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L
vuln.today AI 7.2 HIGH

Description confirms remote unauthenticated XXE (AV:N/AC:L/PR:N/UI:N); SYSTEM-context external resource access justifies S:C, with disclosure rated C:L and no integrity impact.

3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:L/SI:N/SA:N

Primary rating from Vendor (trendmicro).

CVSS VectorVendor: trendmicro

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
Low

DescriptionCVE.org

Quest Foglight for Databases AbstractParser XML External Entity Processing Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Quest Foglight for Databases. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the AbstractParser class. 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 SYSTEM. Was ZDI-CAN-28929.

Executive ViewAI

Why It Matters

CVE-2026-92185 is a high-severity information disclosure vulnerability in Quest Foglight for Databases, allowing unauthenticated network attackers to potentially read sensitive files via XML external entity (XXE) injection. While confidentiality impact is rated Low, leadership should prioritize remediation to prevent data exposure and maintain compliance, as no patch is currently available.

Business Impact: Medium
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations include disabling external entity resolution in the XML parser, restricting network access to Foglight interfaces, and deploying a web application firewall to filter malicious XML content.

Threat Intelligence Overview

Prevalence
Low
specialized enterprise database monitoring tool, role-specific limited deployment footprint
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS N/A
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
Medium

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

XML External Entity (XXE) attacks exploit XML parsers that process Document Type Definitions (DTDs) without proper restrictions.

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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