CVE-2026-86934

CriticalCVSS 9.1/10Last modified Oct 5, 2026

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.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-639

Affected software

No affected versions have been published.

Timeline

Published
Sep 23, 2026
Last modified
Oct 5, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-86935This issue was addressed by removing additional entitlements. This issue is fixed in macOS Golden Gate 27. An app may be able to access userCVE-2026-869387.3A DLL hijacking vulnerability in the FileMaker Pro installer for Windows allowed a local user to execute arbitrary code with elevated adminiCVE-2026-86945.3Improper access control in Devolutions PowerShell Universal 2026.1.7 and earlier allows an unauthenticated remote attacker to obtain the OpeCVE-2026-869405.5This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Golden Gate 27. An app may be able to disclose kernelCVE-2026-86944An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, macOS Sequoia 15.CVE-2026-86948This issue was addressed by enforcing library validation on the affected binaries. This issue is fixed in Xcode 27. An app may be able to brCVE-2026-869498.8This issue was addressed by enforcing library validation on the affected binaries. This issue is fixed in Xcode 27. A malicious app may be aCVE-2026-86959.8radare2 6.1.5 contains a use-after-free vulnerability in the gdbr_threads_list() function that allows remote attackers to trigger memory corCVE-2026-869508.8An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7.1 and iPadOS 26.7.1, macOS SequoiaCVE-2026-869534.6An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27,CVE-2026-869555.5An authorization issue was addressed with improved state management. This issue is fixed in iOS 27 and iPadOS 27. An app may be able to acceCVE-2026-869576.5An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, ma
CVE-2026-86934: Critical severity, CVSS 9.1 | Vulnix