An authenticated administrator may be able to achieve arbitrary code execution on the host system by uploading a malicious file through the…

published 2026-07-09 4 mo ago modified 2026-10-25 14 d ago also EUVD-2026-42652

cvss: 4.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

Claris FileMaker Server 26.0.1

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 4 mo ago (2026-07-09)

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	4.9	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CNA	3.1	4.9	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Affected products

Claris FileMaker Server

Classification

Weakness

CWE-434 Unrestricted Upload of File with Dangerous Type

References

community.claris.com /en/s/article/Arbitrary-Code-Execution-Vulnerability-Addressed-in-FileMaker-Server-via-Miniforge-Installer-Upl
vendor-advisory

Sources

CVE List CVE-2026-43752
NVD CVE-2026-43752

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary