What’s Vulnerable › Vulnerabilities
CVE-2026-86930
- Severity: critical (CVSS 9.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-23 · updated 2026-10-05
- Weakness: CWE-125
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
- Claris FileMaker Server: before 26.0.3 — fixed in 26.0.3
How to fix
Upgrade to a fixed version: Claris FileMaker Server 26.0.3. Check the vendor advisory for mitigations.
References
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