עברית

Vulnerability Intelligence

CVE-2026-86934

Critical 9.1

Published
Last modified
NVD status
Analyzed

Description

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.

Affected products

claris: filemaker server

References1

Metrics

CVSS 3.1
9.1 CRITICAL Score source: CNA CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS — exploit probability
0% percentile: 25 · as of 9 November 2026
CWE
CWE-639

Could this be exploited in your environment?

A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.