ZDI-26-851: Quest Foglight for Databases baseRmiServiceExporter Deserialization of Untrusted Data Remote Code Execution Vulnerability
Source Zero Day Initiative
Not known to be exploited · CVSS 9.8 Critical.
Data as of 4 Nov 2026, 00:13 UTC
Thin evidence
One scorer or none| CNA (zdi) | CVSS 3.0 | 9.8 |
|---|
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 3 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| QuestFoglight for Databases | Affected
| Fixed in– |
Description
A critical remote code execution vulnerability exists in Quest Foglight for Databases via the baseRmiServiceExporter component. This flaw allows unauthenticated remote attackers to execute arbitrary code on affected systems. The vulnerability is tracked as CVE-2026-92190 and has a CVSS rating of 9.8 assigned by the Zero Day Initiative.