CVE-2026-86930

EUVD-2026-85428
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 21.7%
Affected Products (NVD)
VendorProductVersion
clarisfilemaker_server
𝑥
< 26.0.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.claris.com/s/answerview?anum=000049218&language=en_US