CriticalCritical vulnerability

CVE-2026-86930 (CVSS 9.1)

NVD · officialPublished Sep 23, 2026Risk 50/100EPSS 0.1%

An out-of-bounds read vulnerability in FileMaker Server for Linux allowed an attacker uploading a specially crafted image file to a container field to disclose process memory during thumbnail generation in FileMaker WebDirect. This vulnerability is addressed in FileMaker Server version 26.0.3.

Technical details

CVSS

9.1

AV:NetworkAC:LowPR:NoneUI:NoneC:HighI:NoneA:High

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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