CVE-2026-86930
Critical
9.1 CVSS v3.1
- Published
- Sep 23, 2026
- Updated
- Oct 5, 2026
- Vendor
- Claris
- Affected versions
- See affected products
- Weakness
- CWE-125
Summary
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.
Severity
Critical (9.1)CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Affected products
- Claris Filemaker Server < 26.0.3
Exploitation status
Unknown
Technical details
Technical analysis has not been written for this record yet.
Mitigation & remediation
Follow the vendor advisory linked below for patches and workarounds.