CVE-2026-86930

Claris · Published September 23, 2026

9.1

CVSS v3.1

CRITICAL

Patch availableGet patch

Description

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.

Affected Products

Filemaker Server < 26.0.3

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H