CVE-2026-86934
📛 CVE Title
CVE-2026-86934
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.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- apple
- CVSS severity
- —
- CVSS score
- —
- CVSS vector
- —
- Effective score
- no score available from CNA, NVD, or AI yet
- CWE(s)
- —
- Reserved
- 2026-09-08
- Published
- 2026-09-23 17:20 UTC
- Last updated
- 2026-09-23 17:20 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/86xxx/CVE-2026-86934.json
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-09-23 18:17:09 UTC
- NVD last modified
- 2026-09-23 18:22:36 UTC
NVD / KEV / EPSS data refreshed 2026-09-24 04:32 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
AI-forensic CVSS estimate
Used only when a CVE has no official CVSS from its CNA or NVD. An LLM estimates the v3.1 base score from the description; a HIGH/CRITICAL estimate promotes the CVE to a Threat.
No AI estimate yet — it runs automatically once NVD has been checked, or click the button above.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-85431 - Assigner
- apple
- Published
- Sep 23, 2026, 5:20:20 PM
- Updated
- Sep 23, 2026, 5:20:20 PM
- EUVD base score
- 0.0 / 10
- EUVD-reported EPSS
- 0.0000
- Vendors
- Claris
- Products
-
FileMaker Server (0 <26.0.3)
- Aliases
-
GHSA-wwj7-3493-4j3w
ENISA 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.
EUVD references (1)
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Claris | FileMaker Server |
0 (affected)
|
— |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://support.claris.com/s/answerview?anum=000049217&language=en_US product-security@apple.com
Remediations (10)
-
web:access.redhat.com
Overall, you have the following options: Upgrade to a supported product version that includes a fix for this vulnerability (recommended). Apply a mitigation (if one exists). Customers with the Technical Account Manager (TAM) RHEL Security Select Add-on can review this CVE directly with their TAM.
2026-09-24 11:48 UTC -
web:blog.qualys.com
What can I do before Microsoft releases a patch ? Qualys TruRisk™ Eliminate provides a recommended mitigation for CVE - 2026 -69414 that can be applied to affected systems while Microsoft works on a fix . Assets can then be reassessed in Qualys VMDR to verify the remediation outcome.
2026-09-24 11:48 UTC -
web:msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-09-24 11:48 UTC -
web:msrc.microsoft.com
Security Update Guide - Microsoft Security Response Center
2026-09-24 11:48 UTC -
web:senserva.com
Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.
2026-09-24 11:48 UTC -
web:tech-insider.org
A proof-of-concept exploit published on August 12, 2026 undid Microsoft's fix for a Defender privilege-escalation bug just one day after that month's Patch Tuesday, handing attackers a working path back to SYSTEM-level access on fully patched Windows 11 25H2 and Windows Server 2025 machines. The bypass, tracked as CVE - 2026 -69414 and nicknamed ShieldBreak, targets the same Malware ...
2026-09-24 11:48 UTC -
web:vulmon.com
Vulnerability Summary An authorization bypass flaw in FileMaker Server's Web Publishing Engine enables access to the XML Web Publishing interface. This occurs when requests include an extended privilege header, even if Custom Web Publishing with XML is disabled. The issue is fixed in FileMaker Server version 26.0.3.
2026-09-24 11:48 UTC -
web:www.cisecurity.org
Microsoft reports CVE - 2026 -56164 has been exploited in the wild. CVE - 2026 -56164 may allow remote cyber threat actors to gain unauthorized access to on-premises SharePoint Server instances. Microsoft noted that integrating its Antimalware Scan Interface (AMSI) can provide temporary mitigation by actively scanning and detecting malicious POST requests associated with exploitation attempts. The ...
2026-09-24 11:48 UTC -
web:www.papercut.com
This " fix -first" strategy allows us to provide immediate protection while delaying the publication of technical details that could be used to develop exploits. Full documentation is published only when we are confident that disclosure no longer poses an immediate risk to our customer base.
2026-09-24 11:48 UTC -
web:www.techtimes.com
July 2026 Patch Tuesday permanently removes the Kerberos RC4 rollback registry key on July 14, leaving service accounts with RC4-only material unable to authenticate. Administrators must also ...
2026-09-24 11:48 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-86934.json.
{
"containers": {
"cna": {
"affected": [
{
"product": "FileMaker Server",
"vendor": "Claris",
"versions": [
{
"lessThan": "26.0.3",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"problemTypes": [
{
"descriptions": [
{
"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.",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-23T17:20:20.178Z",
"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
"shortName": "apple"
},
"references": [
{
"url": "https://support.claris.com/s/answerview?anum=000049217&language=en_US"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
"assignerShortName": "apple",
"cveId": "CVE-2026-86934",
"datePublished": "2026-09-23T17:20:20.178Z",
"dateReserved": "2026-09-08T16:43:41.879Z",
"dateUpdated": "2026-09-23T17:20:20.178Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}