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TI-2026-31842 Aliases CVE-2026-43752GHSA-xf6h-j6rm-x673

Unrestricted file upload in Claris FileMaker Server

Priority LOW 23CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-434.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0049 42nd percentileScored 2026-11-07
Fix Fixed FileMaker Server (Claris): 26.0.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ClarisFileMaker Serverbefore 26.0.126.0.1Patch availableCNA
  • FileMaker Server VendorClaris Affected before 26.0.1 Fixed in 26.0.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:claris:filemaker_server:*:*:*:*:*:*:*:*before 26.0.1VulnerableClaris
  • cpe:2.3:a:claris:filemaker_server:*:*:*:*:*:*:*:* Versions before 26.0.1 Vulnerable ·Claris

Remediation

  • Fix · CNA FileMaker Server (Claris) Fixed in 26.0.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-43752
  2. 2026-10-03 Alias added: GHSA-xf6h-j6rm-x673

References

Advisory 1

  • TI-2025-29047 Code injection in Claris FileMaker Server CVSS 3.1CRITICAL 9.8
  • TI-2026-59422 Authorization bypass in Claris FileMaker Server CVSS 3.1CRITICAL 9.1
  • TI-2026-59421 Out-of-bounds read in Claris FileMaker Server CVSS 3.1CRITICAL 9.1
  • TI-2024-18405 Improper access control in Claris FileMaker Server CVSS 3.1HIGH 7.5
  • TI-2026-59420 Heap-based buffer overflow in Claris FileMaker Server CVSS 3.1HIGH 7.8
  • TI-2023-23030 A privilege escalation issue existed in FileMaker Server, potentially exposing sensitive… CVSS 3.1MEDIUM 6.5
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences