CVE-2026-86934
CRITICAL
CVSS 9.1
Published: 2026-09-23
Modified: 2026-09-24
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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.
Quick Facts
| CVE ID | CVE-2026-86934 |
| CVSS Score | 9.1 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| Published | 2026-09-23 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |