CVE-2026-43752
MediumCVSS 4.9Exploitation Probability (EPSS)
Low risk21th percentile - higher than 21% of all known CVEs
Summary
An authenticated administrator may achieve arbitrary code execution on the host system by uploading a malicious file through the Open Source LLM setup feature in the Admin Console. This vulnerability has been addressed in FileMaker Server 26.0.1.
Risk Assessment
An attacker with admin privileges can take over the host system, leading to full server compromise and potential access to sensitive data.
Recommendation
Immediately update FileMaker Server to version 26.0.1 or later. Restrict access to the Admin Console to trusted administrators only.
Other vulnerabilities in FileMaker Server
See all- CVE-2026-86934Unknown
An authorization bypass vulnerability in the FileMaker Server Web Publishing Engine allowed requests containing an extended privilege header to bypass the disabled Custom Web Publishing with XML setting and access the XML Web Publishing interface. This vulnerability is addressed in FileMaker Server version 26.0.3.
- CVE-2026-86930Unknown
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.
- CVE-2026-86926Unknown
A heap buffer overflow vulnerability in the FileMaker Server database engine block parsing routine allowed a maliciously crafted .fmp12 database file to cause memory corruption, potentially leading to arbitrary code execution. This vulnerability is addressed in FileMaker Server version 26.0.3.
Original NVD description (English source)
An authenticated administrator may be able to achieve arbitrary code execution on the host system by uploading a malicious file through the Open Source LLM setup feature in the Admin Console. This vulnerability has been addressed in FileMaker Server 26.0.1.

