Claris FileMaker Server up to 26.0.0 Open Source LLM Setup Feature unrestricted upload

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.5$0-$5k0.56

Summaryinfo

A vulnerability described as problematic has been identified in Claris FileMaker Server up to 26.0.0. Affected by this vulnerability is an unknown functionality of the component Open Source LLM Setup Feature. The manipulation results in unrestricted upload. This vulnerability is identified as CVE-2026-43752. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Claris FileMaker Server up to 26.0.0. Affected is an unknown code block of the component Open Source LLM Setup Feature. The manipulation with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at community.claris.com. This vulnerability is traded as CVE-2026-43752 since 05/02/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation needs additional levels of successful authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1608.002.

Upgrading to version 26.0.1 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Upgrade: FileMaker Server 26.0.1

Timelineinfo

05/02/2026 CVE reserved
07/09/2026 +68 days Advisory disclosed
07/09/2026 +0 days VulDB entry created
07/09/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: community.claris.com
Status: Confirmed

CVE: CVE-2026-43752 (🔒)
GCVE (CVE): GCVE-0-2026-43752
GCVE (VulDB): GCVE-100-377256

Entryinfo

Created: 07/09/2026 20:12
Changes: 07/09/2026 20:12 (53)
Complete: 🔍
Cache ID: 216::103

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